29 thg 11, 2022 ... Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite.Zonergy Solar Development Pakistan Limited. Apr 2021 - Present2 years 7 months. Karāchi, Sindh, Pakistan. Maximizes efficiency in the implementation of detailed project plans, keeping track of goals, tasks, resources, schedules, costs, and contingencies. Responsible for the quality of work, and for keeping a project on time and on budget.A marine depositional environment is assumed from scarce Skolithos sp., and because nearly all indicators of a braided river system are absent. The Juwayl Formation of Permian age was deposited at the interface of the Late Palaeozoic Gondwana ice shield with a large lake that may have covered most of southern Arabia and adjacent areas.Study with Quizlet and memorize flashcards containing terms like _____ is a form of calcium carbonate. Correct! Travertine Chert Lignite Gypsum, graywacke is _____. Correct! a sandstone with the sand grains embedded in a clay-rich matrix a limestone with abundant, sand-sized, quartz grains a dark, organic-rich, chemical sedimentary rock containing …The huge 1964 Alaskan earthquake was caused by. the fault suddenly uplifts or downdrops the seafloor. sudden movement on a fault can cause a tsunami when. causing a large mass of rock to catastrophically displace the water. Landslides and earthquakes can cause a tsunami by. a strike-slip fault on land.What are the symptoms of oil deposits? Check out 5 symptoms of oil deposits at HowStuffWorks. Advertisement If your arteries ever became clogged with gunk -- as does happen from time-to-time with us humans -- you and your doctor would want ...An example of this type of sediment is chalk. Siliceous oozes are also made of plankton debris, but these organisms build their shells using silica or hydrated silica. ... The study of shoreline depositional environments is called sequence stratigraphy. Sequence stratigraphy examines depositional changes and 3D architectures associated with ...Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO 3. It usually forms in clear, calm, warm, shallow marine waters. Limestone is usually a biological sedimentary rock, forming from the accumulation of shell, coral, algal, fecal, and other organic debris.Depositional processes. 1. Depositional processes. The first important contention of this paper is that black shales can be deposited by any one or by a combination of the processes that typically control fine-grained sedimentation in deep water. These are briefly described below.Type Sedimentary Rock Origin Biochemical Texture Nonclastic; Fine-grained Composition Calcite Color White Miscellaneous Massive, Earthy; Reacts with HCl; Hardness < Glass Depositional Environment Deep Marine 10 thg 5, 2013 ... ... Chalk Trend). North Sea chalks produce from a combination of ... depositional setting. During falls in sea level the geometries will ...Some of the more important of these environments are illustrated in Figure 6.3.1. Figure 6.3.1 Some of the important depositional environments for sediments and sedimentary rocks. Table 6.4 provides a summary of the …To identify depositional environments, geologists, like crime scene investigators, look for clues. Detectives may seek fingerprints and bloodstains to identify a culprit. Geologists examine grain size, composition, sorting, bed-surface marks, cross bedding, and fossils to identify a depositional environment.It is characterised by thick deposits of chalk, a soft porous white limestone, deposited in a marine environment. Chalk is a limestone that consists of coccolith biomicrite. [1] A biomicrite is a limestone composed of fossil debris ("bio") and calcium carbonate mud ("micrite").erence to the impact of depositional environment and the primary facies ar-chitecture. The work has been based on the monthly production data for 55 fields and analysed to try and determine which impacts production. This work considered production data from all the fields in the Norwegian North Sea, Norwegian Sea and the Barents Sea.Chalk. A chalk is a soft, friable variety of limestone consisting of poorly lithified calcareous ooze, produced by the accumulation of planktonic organisms in a pelagic (open sea) environment. Chalk is largely made of shells of single-celled marine organisms, such as foraminifera and coccoliths, but fragments of shells of bivalves and ostracods ... Intraclast: sedimentary particle formed by reworking of lithified materials formed within the depositional environment Intra micrite : a limestone rock containing at least 25% of intraclasts and in which the carbonate mud matrix ( micrite ) is more ab unda formnt than sparry- calcite cement (Folk, 1959)Figure 7: Generalized depositional episode for the Austin Chalk. Thick accumulations of open-shelf carbonates dominate this time period, with deposition being largely effected by the active San Marcos Platform (adapted from Galloway, 2008)..... 17 Figure 8: Generalized depositional episode of the Navarro. Chalk is formed from lime mud, which accumulates on the sea floor in the right conditions. This is then transformed into rock by geological processes: as more sediment builds up on top, and as the sea floor subsides, the lime mud is subjected to heat and pressure which removes the water and compacts the sediment into rock. Erosion was terminated by the deposition of the lower Taylor Marl. Taylor A, the lowermost subdivision of the lower Taylor, was deposited in a near-shore environment that was highly variable. Of particular interest is the relationship of this unconformity to structure and probably to oil occurrence in the Austin Chalk in McLennan and Falls ...The Chalk Group (Upper Cretaceous–Lower Paleocene) in the Norwegian Central Graben (Fig. 1) is of major importance as a hydrocarbon reservoir and has been the focus of research for more than 40 years (see Surlyk et al., 2003 for an overview).Chalk is a biogenic sediment primarily deposited from the slow settlement of coccoliths in marine …Greywacke is variation of sandstone that saperate from other to hardness, dark color, and poorly sorted angular grains of quartz and feldspar..It is a textural immature sedimentary rock found in the Paleozoic layers. Larger grains can be from sand to pebble length, and matrix materials are in the order of 15% by volume of rocks.A deep color …Rocks formed in this way include chalk, chert, Fe-Mn nodules, phosphates and red clays. ... The ultimate object of facies modeling is to interpret not only the depositional environment of the sedimentary body being examined, but the total context within which it formed, the climate, oceanic circulation patterns, rates of sedimentary supply ...Type Sedimentary Rock Origin Biochemical Texture Clastic Composition Calcite Color Dark Gray Miscellaneous Visible fossils in crystalline matrix; Reacts with HCl; Hardness < Glass Depositional Environment Variable Depth Continental Shelf/Platform Marine Type Sedimentary Rock Origin Biochemical Texture Clastic Composition Calcite Color Light to …Deeper-water chalk deposition was the general background environmental setting, but it was disrupted by this period of volcanism that initiated numerous mass-wasting complexes punctuating the deeper-water chalk deposits. Within the gravity-flow deposits, volcanic components such as lapilli, ash, and glauconite-altered volcanic grains occurred ...Question: Part B - Where Biochemical Rocks Come From Using information from Figure 6.10 on page 165 of the lab manual, please sort the seven biochemical rocks listed below into terrestrial depositional environments and marin environments. Drag the appropriate items into their respective bins. Each item may be used only once. View Available Hint(s) …Jun 5, 2010 · The depositional regime that produced the upper few feet of the Greenhorn persisted with no change during the early part of Carlile sedimentation. Physical Aspects of the Environment General Statemtent. Much has been written about the depositional environment and paleoecology of Cretaceous chalk, especially the English and northwest European chalk. Nov 1, 2014 · Thickness maps of each depositional sequence illustrate the tectonic evolution of the San Marcos Arch and its influence on the deposition of the Austin Chalk Group, which is judged as negligible during most of the lower Austin Chalk Group (Coniacian), and started to trigger lateral thickness variations and pinch-outs in the Santonian and early ... Apache/2.2.15 (CentOS) Server at searchanddiscovery.com Port 80This article provides an extensive view of the erosional and depositional behaviour of calcareous nannofossil ooze based on experimental work using annular …A demand deposit is an account with a bank or other financial institution that allows the depositor to withdraw their funds from the account without… A demand deposit is a bank account that can be withdrawn at any time, typically without ad...Depositional Environment Regional Setting and Stratigraphic Framework of Smoky Hill Deposition The Smoky Hill Member of Kansas was deposited in the eastern …Chalk mining is the extraction of chalk from underground and above ground deposits by mining. Mined chalk is used mostly to make cement and bricks. Chalk mining was widespread in Britain in the 19th century because of the large amount of construction underway (and the Industrial Revolution).What are the symptoms of oil deposits? Check out 5 symptoms of oil deposits at HowStuffWorks. Advertisement If your arteries ever became clogged with gunk -- as does happen from time-to-time with us humans -- you and your doctor would want ...A pale grey to off-white or yellowish limestone, peloidal wackestone and packstone with subordinate ooidal and shelly grainstones, recrystallised limestone and/or hardgrounds at some levels with rare sandy limestone, clayey limestone, marl and mudstone or clay. The depositional environment for the White Limestone Formation is a protected ...Basinwards, this facies belt may pass into a zone dominated by bryozoan mounds before entering the area of true chalk deposition (Figure 3). The marginal facies of the chalk sea are known mainly from onshore outcrops in Denmark and southern Sweden; the Danian-age bryozoan mound complexes exposed in eastern Denmark are particularly impressive ...QUESTION 9 What are the three main categories for depositional environments? Transitional Water Organic Marine 回Continental Chemical QUESTION 10 Select all the options that are examples of limestone Shale Chert Coquina Oolitic Coal Chalk QUESTION 11 Depositional environments are where the sediment was deposited after it was lithified True False QUESTION 12 Match the appropriate depositional ... A sedimentary structure reflects the depositional environment under which the rock was deposited. Bedding - sediments are arranged into layers defined by bedding planes; usually horizontal, but may also be subhorizontal or curved. Graded bedding - bedding in which the particles are sorted according to density, size, and shape. Normal grading ...Erosion was terminated by the deposition of the lower Taylor Marl. Taylor A, the lowermost subdivision of the lower Taylor, was deposited in a near-shore environment that was highly variable. Of particular interest is the relationship of this unconformity to structure and probably to oil occurrence in the Austin Chalk in McLennan and Falls ...Sedimentary rock - Evaporites, Deposits, Minerals: Evaporites are layered crystalline sedimentary rocks that form from brines generated in areas where the amount of water lost by evaporation exceeds the total amount of water from rainfall and influx via rivers and streams. The mineralogy of evaporite rocks is complex, with almost 100 varieties …Dec 1, 2021 · A number of specific objectives must be achieved to understand the matrix reservoir quality within the Austin Chalk Group. These objectives are to (1) define the depositional environment that produced these fine-grained mudrocks (chalks) with low permeabilities, (2) categorize the general lithologies that compose the Austin Chalk section, (3) discuss and evaluate the different general ... Depositional Environment: Beach: East Carolina University Department of Geological Sciences East 5th Street Greenville, NC 27858-4353 USA 252-328-6360 ... Depositional environment and processes: In wave-dominated estuaries, the main conduits of sediment input to the estuarine environment are the marine inlet channel and the bay head delta channel(s). Sediment brought into an estuary by the routes is subject to different transport processes based upon their particle size in relation to the …Chalk. A chalk is a soft, friable variety of limestone consisting of poorly lithified calcareous ooze, produced by the accumulation of planktonic organisms in a pelagic (open sea) environment. Chalk is largely made of shells of single-celled marine organisms, such as foraminifera and coccoliths, but fragments of shells of bivalves and ostracods ... Rock salt is the name of a sedimentary rock that consists almost entirely of halite, a mineral composed of sodium chloride, NaCl. It forms where large volumes of sea water or salty lake water evaporate from an arid-climate basin -- where there is a replenishing flow of salt water and a restricted input of other water.The depositional environment of Wadi Ash Shajara oil shale fluctuates between shallow, calm, restricted marine environment with limited water circulation and …Chalk deposits can be found on every continent, with notable occurrences in Europe, North America, Australia, and other regions. Chalk forms in marine environments, especially in areas with clear, well-oxygenated, nutrient-rich waters. Chalk is used in writing, drawing, education, and art. See moreFluid migration in both oil-field and ground-water environments is strongly controlled by fractures. In each geologic setting, a conceptual model of fracture intensity is required to model or predict flow. ... (SSC) in Ellis County, Texas, I document Austin Chalk depositional environments and diagenetic alterations and investigate the factors ...Submarine diagenesis. Micrite envelopes document a period of alteration concurrent with deposition. The micritized surfaces of grains commonly survive dissolution and provide a surface for later precipitation of cements. In Isla de Mona, micrite envelopes are common in all sections and environments, although they are more prevalent in the ...Aug 17, 2021 · Tidal Flats. Figure 6.5.10 6.5. 10: General diagram of a tidal flat and associated features. Tidal flats, or mudflats, are sedimentary environments that are regularly flooded and drained by ocean tides. Tidal flats have large areas of fine-grained sediment but may also contain coarser sands. A pale grey to off-white or yellowish limestone, peloidal wackestone and packstone with subordinate ooidal and shelly grainstones, recrystallised limestone and/or hardgrounds at some levels with rare sandy limestone, clayey limestone, marl and mudstone or clay. The depositional environment for the White Limestone Formation is a protected ...Common examples include some fossiliferous limestone (contains fossils), chalk ... Depositional environments combine chemical, physical, and biological aspects that dictate what type of sediments, rock types, and landforms are deposited or formed. ... These earth materials are then “added” to an environment or landform in a process …The Upper Cretaceous Eagle Ford Formation of South Texas records a mixed siliciclastic/carbonate depositional environment across the Late Cretaceous Platform of the Gulf of Mexico. During the Late Cretaceous, LaSalle and McMullen Counties was part of the Hawkville Trough, a wedged shaped region between the Edwards and Sligo …Coal is a _____ sedimentary rock that was originally formed in a _____ depositional environment. a.clastic, marine b.chemical, terrestrial c.biogenic, marine d.biogenic, terrestrial 2._____ is a biogenic sedimentary rock formed from the accumulation of silica-walled marine algae called diatoms. a.Gypsum b.Chert c.Coal d.Limestone 3.Shale has aSedimentary rock - Evaporites, Deposits, Minerals: Evaporites are layered crystalline sedimentary rocks that form from brines generated in areas where the amount of water lost by evaporation exceeds the total amount of water from rainfall and influx via rivers and streams. The mineralogy of evaporite rocks is complex, with almost 100 varieties …The basal plate of the ordinary coccoliths is about 2.2 μm long, with an elevation up to 2.4 μm high. The inflated elevation of the stomatal coccoliths has a maximum width of 2.7 μm at its broadest point and is up to 4.6 μm high. Distribution: Atlantic, Pacific and Indian Oceans, Mediterranean Sea, Australian waters.9.12.2.1.1 Glauconites. Glauconite is almost exclusively found in peloidal forms, i.e., ovoid shapes, in sediments, sandstones, and carbonates. The presence of green oval forms is distinctive and usually a good marker for field geologists. Consequently, glauconite-bearing rocks are generally well remarked in descriptions of sedimentary rocks ...Ediacara fossil assemblages support a marine depositional environment. Abstract. The paleoenvironmental setting in which the Ediacara Biota lived, died and was preserved in the eponymous Ediacara Member of the Rawnsley Quartzite of South Australia is an issue of longstanding interest and recent debate. Over the past few decades, …It has been attempted to map these allochthonous units as well as their source areas in order to gain a better understanding of the depositional environments during Chalk deposition in the Central Graben. Keywords. Debris Flow; Trace Fossil; Siliceous Sponge; Central Trough; Chalk Group; These keywords were added by machine and not by the authors.6.2 Depositional Environments. A depositional environment, which is also known as a sedimentary environment, is a physiographic setting, where sediments are deposited. A depositional environment can be presented by a river, a lake, a delta, a lagoon or an ocean. Each depositional environment imparts distinctive signatures to …Oct 12, 2007 · The study shows that seismic scale depositional features in the Danish Basin and Central Graben of the Chalk Sea can be explained by sediment enhanced dense water cascading. Type Sedimentary Rock Origin Biochemical Texture Clastic Composition Calcite Color Dark Gray Miscellaneous Visible fossils in crystalline matrix; Reacts with HCl; Hardness < Glass Depositional Environment Variable Depth Continental Shelf/Platform Marine Type Sedimentary Rock Origin Biochemical Texture Clastic Composition Calcite Color Light to Medium Gray Miscellaneous Visible fossils in ...Submarine diagenesis. Micrite envelopes document a period of alteration concurrent with deposition. The micritized surfaces of grains commonly survive dissolution and provide a surface for later precipitation of cements. In Isla de Mona, micrite envelopes are common in all sections and environments, although they are more prevalent in the ... Description "Nitzana Chalk curves" situated at Western Negev, Israel, are chalk deposits formed in the Mesozoic era's Tethys Ocean Open chalk pit, Seale, Surrey, UK Chalk is a fine-textured, earthy type of limestone distinguished by its light color, softness, and high porosity.Depositional environment. A diagram of various depositional environments. In geology, depositional environment or sedimentary environment describes the combination of physical, chemical, and …Limestones may be divided on the basis of their depositional environments into three categories: 1) platform, 2) basin, 3) geosynclinal. Platform limestones are thin, widespread, light colored, fossiliferous limestones which are often dolomitized. Basin limestones of the open basin type are lithologically similar to platform limestones, but ...The reaction between chalk and vinegar is a neutralization reaction between calcium carbonate and acetic acid to produce water, carbon dioxide and calcium acetate. Carbon dioxide is a gas that causes the reaction to bubble.Characteristically, the Paluxy Formation is a reddish sandstone and shale unit that supports Post Oaks. The environments of deposition were coastal streams and beach environments. Ancient beach deposits form localized dunes of white, well rounded, friable sand. Some iron stains are present in these dunes. History Original classification. Robert J. Dunham published his classification system for limestone in 1962. The original Dunham classification system was developed in order to provide convenient depositional-texture based class names that focus attention on the textural properties that are most significant for interpreting the depositional …Chert is a sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO 2 ). It occurs as nodules, concretionary masses, and as layered deposits. Chert breaks with a conchoidal fracture, often producing very sharp edges. Early people took advantage of how chert breaks and used it to fashion ...(ii) The lithological variation of the chalk of Hallue Catchment in relation to depositional setting. (iii) Site specific data that might be required for the ...29 thg 4, 2022 ... Changing Quaternary Environment in the Mediterranean ... Secondly, by populating the reservoir zones with depositional facies ...Depositional Environment: Beach: East Carolina University Department of Geological Sciences East 5th Street Greenville, NC 27858-4353 USA 252-328-6360 ...1. Introduction. Upper Cretaceous chalk mainly formed by the settling and accumulation of small debris of calcareous nannofossils (coccolithophorids), planktonic foraminifera and calcispheres (Scholle, 1977; Robaszynski et al., 1982).Its depositional environment often is interpreted as calm with low hydrodynamic conditions below or …The Upper Cretaceous Eagle Ford Formation of South Texas records a mixed siliciclastic/carbonate depositional environment across the Late Cretaceous Platform of the Gulf of Mexico. During the Late Cretaceous, LaSalle and McMullen Counties was part of the Hawkville Trough, a wedged shaped region between the Edwards and Sligo …The depositional environment of Wadi Ash Shajara oil shale fluctuates between shallow, calm, restricted marine environment with limited water circulation and …Chalk. A chalk is a soft, friable variety of limestone consisting of poorly lithified calcareous ooze, produced by the accumulation of planktonic organisms in a pelagic (open sea) environment. Chalk is largely made of shells of single-celled marine organisms, such as foraminifera and coccoliths, but fragments of shells of bivalves and ostracods ...Depositional Environments A sedimentary environment is a geographic location characterized by a particular combination of geologic processes and environmental conditions. Geologic processes include the currents that transport and deposit sediments (water, wind, or ice) and the plate tectonic settings that affect sedimentation.
Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime.It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO 3.Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place …. Convert 5.0 gpa to 4.0 scale
Chalk. A chalk is a soft, friable variety of limestone consisting of poorly lithified calcareous ooze, produced by the accumulation of planktonic organisms in a pelagic (open sea) environment. Chalk is largely made of shells of single-celled marine organisms, such as foraminifera and coccoliths, but fragments of shells of bivalves and ostracods ...6.2 Depositional Environments. A depositional environment, which is also known as a sedimentary environment, is a physiographic setting, where sediments are deposited. A depositional environment can be presented by a river, a lake, a delta, a lagoon or an ocean. Each depositional environment imparts distinctive signatures to …Discover the diverse characteristics of Lower Carboniferous rocks in the Kalmard block. Explore the composition and environments of the Gachal formation, ...Depositional environment of chalk. Chalk refers to limestone that is formed from the buildup of calcareous shell fragments left behind by small aquatic …Common chemical sediments include the precipitated minerals halite (rock salt), gypsum, calcite, and various forms of ultra-microscopic quartz grains (cryptocrystalline quartz, listed in the table above as "microquartz"). Sediment turns into sedimentary rock by some combination of burial beneath more sediment, compaction into a smaller volume ...Chert is a fine-grained sedimentary rock composed of quartz (SiO2) that is microcrystalline or cryptocrystalline quartz. It is usually organic rock but also occur inorganically as a chemical precipitate or a diagenetic replacement. It occurs as nodules, concretionary masses, and as layered deposits. Name origin: Term is used to refer generally ...29 thg 4, 2022 ... Changing Quaternary Environment in the Mediterranean ... Secondly, by populating the reservoir zones with depositional facies ...Chalk. Chalk, a sedimentary rock, is a soft form of limestone that is not well cemented and thus is often powdery and brittle. It usually ranges in color from white to light gray to buff and forms from sediment deposited in a saltwater environment. Composed mostly of the mineral calcite and formed mainly from the remains of floating ...@article{osti_5312269, title = {Depositional environment of limestones and intercalated marls, Arcola interval (Campanian) of Mooreville Chalk, Upper Cretaceous, central Alabama}, author = {Castleman, S P and King, D T}, abstractNote = {The Upper Cretaceous Arcola interval (Campanian) of the Mooreville Chalk, central Alabama Gulf Coastal Plain consists of 5 to 7 thin limestone beds (rather ...Intraclast: sedimentary particle formed by reworking of lithified materials formed within the depositional environment Intra micrite : a limestone rock containing at least 25% of intraclasts and in which the carbonate mud matrix ( micrite ) is more ab unda formnt than sparry- calcite cement (Folk, 1959)Niobrara Chalk was weathered and opalized in the Valentine phase of the Ogallala Formation. The Niobrara Formation / ˌnaɪ.əˈbrærə /, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous.Chalk is a sedimentary rock primarily composed of calcium carbonate (calcite). It is formed from the accumulation of microscopic marine organisms' remains, especially coccolithophores. Chalk is known for its distinctive white color, fine-grained texture, and softness. It is commonly associated with marine environments.a) it was colder. b) the energy level must have been low in order for the silt and clay to settle to the bottom of the water and form siltstone and shale. Striations on rocks are caused by erosion from glaciers. How do glaciers cause these linear scratches on.The environment in which the chalk was deposited was not consistent; there is evidence of cyclic deposition “with episodes of low energy and steady accumulation alternating with ones of higher energy and perhaps shallower water, …The Chalk Rock was formed by two, discrete events – an earlier, erosional or non-depositional hiatus that cuts out much of the middle Turonian in Dorset and Wiltshire (Ogbourne Hardground) and extends across the English Channel to Normandy as the Tilleul Hardgrounds, and a later, strongly condensed succession of late Turonian age, developed ...Some of the more important of these environments are illustrated in Figure 6.3.1. Figure 6.3.1 Some of the important depositional environments for sediments and sedimentary rocks. Table 6.4 provides a summary of the processes and sediment types that pertain to the various depositional environments illustrated in Figure 6.3.1.A depositional environment is a particular location on the earth surface (e.g., river channel, tidal inlet, submarine fan, reef) where a limited range of physical, chemical, and biological processes take place, resulting in the generation of a limited range of sedimentary deposits. The preserved characteristics of each such deposit define its facies.Chert is a sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO 2 ). It occurs as nodules, concretionary masses, and as layered deposits. Chert breaks with a conchoidal fracture, often producing very sharp edges. Early people took advantage of how chert breaks and used it to fashion ...Conglomerate characteristics/what it's made from. - gravel. - coarsely grained. - poorly sorted. Conglomerate depositional environment. high energy: rives, bases of steep slopes, alluvial fans, mountain bases. Varved shale characteristics/what it's made from. light and dark seasonal bands that form through freezing and melting and deposition of ...nodular chalk deposition, above Glynde Marl 1 (Mortimore 1986; Mortimore et al. ... Cretaceous) hot greenhouse climate. Science China Earth Sciences, doi ....
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