On the Unusual Holocene Carbonate Sediment in Lake Nam Co, Central Tibet
In lacustrine sediments, aragonite is a widespread mineral, whereas monohydrocalcite is a rare carbonate mineral. In the cold and high-attitude Xizang （Tibetan） Plateau, where aragonite has been commonly found in lacustrine sediments, there is no aragonite, but low-Mg calcite, monohydrocalcite and t...
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| Veröffentlicht in: | Journal of mountain science 2009-12, Vol.6 (4), p.346-353 |
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| creator | Li, Minghui Kang, Shichang Zhu, Liping Wang, Feiyue Wang, Junbo Yi, Chaolu Fang, Xiaomin Xie, Manping |
| description | In lacustrine sediments, aragonite is a widespread mineral, whereas monohydrocalcite is a rare carbonate mineral. In the cold and high-attitude Xizang （Tibetan） Plateau, where aragonite has been commonly found in lacustrine sediments, there is no aragonite, but low-Mg calcite, monohydrocalcite and trace dolomite. The lake receives solutes primarily from surface runoffs and remains fairly constant water chemistry for a long time. The total CaCO3 percentage in sediments could be controlled by evaporation and inflow of detrital materials. The absence of aragonite is unusual when compared to other lacustrine sediments from the Tibetan Plateau. This could be due to low Ca/Mg ratio, low salinity, low Mg and Ca concentration. Monohydrocalcite might precipitate from the lake water mediated by biological activities. Low-Mg calcite originated from minor ostracoda shell and the precipitation of lake water with biological activities. |
| doi_str_mv | 10.1007/s11629-009-1020-8 |
| format | Article |
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In the cold and high-attitude Xizang （Tibetan） Plateau, where aragonite has been commonly found in lacustrine sediments, there is no aragonite, but low-Mg calcite, monohydrocalcite and trace dolomite. The lake receives solutes primarily from surface runoffs and remains fairly constant water chemistry for a long time. The total CaCO3 percentage in sediments could be controlled by evaporation and inflow of detrital materials. The absence of aragonite is unusual when compared to other lacustrine sediments from the Tibetan Plateau. This could be due to low Ca/Mg ratio, low salinity, low Mg and Ca concentration. Monohydrocalcite might precipitate from the lake water mediated by biological activities. Low-Mg calcite originated from minor ostracoda shell and the precipitation of lake water with biological activities.</description><identifier>ISSN: 1672-6316</identifier><identifier>EISSN: 1993-0321</identifier><identifier>EISSN: 1008-2786</identifier><identifier>DOI: 10.1007/s11629-009-1020-8</identifier><language>eng</language><publisher>Heidelberg: SP Science Press</publisher><subject>Calcite ; Carbonate sediments ; Dolomite ; Earth and Environmental Science ; Earth Sciences ; Ecology ; Environment ; Evaporation ; Freshwater ; Geography ; Geology ; Holocene ; Lake sediments ; Lakes ; Minerals ; Sediments ; Solutes ; Studies ; Water chemistry ; 全新世 ; 地表径流 ; 湖泊沉积物 ; 盐湖 ; 碳酸盐矿物 ; 纳木错 ; 西藏中部 ; 西藏高原</subject><ispartof>Journal of mountain science, 2009-12, Vol.6 (4), p.346-353</ispartof><rights>Science Press, Institute of Mountain Hazards and Environment, CAS and Springer Berlin Heidelberg 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-5e99c84afc27766a38408ebb86f89189c21211ccd4f5e09655c3e680c0ff3e883</citedby><cites>FETCH-LOGICAL-c439t-5e99c84afc27766a38408ebb86f89189c21211ccd4f5e09655c3e680c0ff3e883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/87799X/87799X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11629-009-1020-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11629-009-1020-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Li, Minghui</creatorcontrib><creatorcontrib>Kang, Shichang</creatorcontrib><creatorcontrib>Zhu, Liping</creatorcontrib><creatorcontrib>Wang, Feiyue</creatorcontrib><creatorcontrib>Wang, Junbo</creatorcontrib><creatorcontrib>Yi, Chaolu</creatorcontrib><creatorcontrib>Fang, Xiaomin</creatorcontrib><creatorcontrib>Xie, Manping</creatorcontrib><title>On the Unusual Holocene Carbonate Sediment in Lake Nam Co, Central Tibet</title><title>Journal of mountain science</title><addtitle>J. Mt. Sci</addtitle><addtitle>Journal of Mountain Science</addtitle><description>In lacustrine sediments, aragonite is a widespread mineral, whereas monohydrocalcite is a rare carbonate mineral. In the cold and high-attitude Xizang （Tibetan） Plateau, where aragonite has been commonly found in lacustrine sediments, there is no aragonite, but low-Mg calcite, monohydrocalcite and trace dolomite. The lake receives solutes primarily from surface runoffs and remains fairly constant water chemistry for a long time. The total CaCO3 percentage in sediments could be controlled by evaporation and inflow of detrital materials. The absence of aragonite is unusual when compared to other lacustrine sediments from the Tibetan Plateau. This could be due to low Ca/Mg ratio, low salinity, low Mg and Ca concentration. Monohydrocalcite might precipitate from the lake water mediated by biological activities. Low-Mg calcite originated from minor ostracoda shell and the precipitation of lake water with biological activities.</description><subject>Calcite</subject><subject>Carbonate sediments</subject><subject>Dolomite</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Ecology</subject><subject>Environment</subject><subject>Evaporation</subject><subject>Freshwater</subject><subject>Geography</subject><subject>Geology</subject><subject>Holocene</subject><subject>Lake sediments</subject><subject>Lakes</subject><subject>Minerals</subject><subject>Sediments</subject><subject>Solutes</subject><subject>Studies</subject><subject>Water chemistry</subject><subject>全新世</subject><subject>地表径流</subject><subject>湖泊沉积物</subject><subject>盐湖</subject><subject>碳酸盐矿物</subject><subject>纳木错</subject><subject>西藏中部</subject><subject>西藏高原</subject><issn>1672-6316</issn><issn>1993-0321</issn><issn>1008-2786</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kbtOxDAQRSMEEs8PoLMoqAh47MSxSxQBi7SCgt3acryTJZDYYCcFf49XoUAUVGONzhldXWfZOdBroLS6iQCCqZxSlQNlNJd72REoxXPKGeynt6hYLjiIw-w4xjdKRaUkHGWLZ0fGVyRrN8XJ9GThe2_RIalNaLwzI5IX3HQDupF0jizNO5InM5DaX5E6LUNyVl2D42l20Jo-4tnPPMnW93erepEvnx8e69tlbguuxrxEpawsTGtZVQlhuCyoxKaRopUKpLIMGIC1m6ItkSpRlpajkNTStuUoJT_JLue7H8F_ThhHPXTRYt8bh36KOvmlZKxM4MUf8M1PwaVsGpSUVFaCJQhmyAYfY8BWf4RuMOFLA9W7YvVcrE7F6l2xepeAzU5MrNti-HX4H-knjX31bvuZPN0Y-952Per0Q5UogPNvd1CDwg</recordid><startdate>20091201</startdate><enddate>20091201</enddate><creator>Li, Minghui</creator><creator>Kang, Shichang</creator><creator>Zhu, Liping</creator><creator>Wang, Feiyue</creator><creator>Wang, Junbo</creator><creator>Yi, Chaolu</creator><creator>Fang, Xiaomin</creator><creator>Xie, Manping</creator><general>SP Science Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20091201</creationdate><title>On the Unusual Holocene Carbonate Sediment in Lake Nam Co, Central Tibet</title><author>Li, Minghui ; 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This could be due to low Ca/Mg ratio, low salinity, low Mg and Ca concentration. Monohydrocalcite might precipitate from the lake water mediated by biological activities. Low-Mg calcite originated from minor ostracoda shell and the precipitation of lake water with biological activities.</abstract><cop>Heidelberg</cop><pub>SP Science Press</pub><doi>10.1007/s11629-009-1020-8</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of mountain science, 2009-12, Vol.6 (4), p.346-353 |
| issn | 1672-6316 1993-0321 1008-2786 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Calcite Carbonate sediments Dolomite Earth and Environmental Science Earth Sciences Ecology Environment Evaporation Freshwater Geography Geology Holocene Lake sediments Lakes Minerals Sediments Solutes Studies Water chemistry 全新世 地表径流 湖泊沉积物 盐湖 碳酸盐矿物 纳木错 西藏中部 西藏高原 |
| title | On the Unusual Holocene Carbonate Sediment in Lake Nam Co, Central Tibet |
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