A study of the rate of gypsum leaching from the pore space of sandstones
Experimental studies of the rate of gypsum leaching from the pore space in sandstone revealed a zone with higher dolomite content (due to dolomitization of calcite in the peripheral region of the block), with minimum values of gypsum content and maximum ones of total porosity. It is shown that leach...
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| Veröffentlicht in: | Moscow University geology bulletin 2017, Vol.72 (1), p.84-86 |
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| creator | Lebedev, A. L. |
| description | Experimental studies of the rate of gypsum leaching from the pore space in sandstone revealed a zone with higher dolomite content (due to dolomitization of calcite in the peripheral region of the block), with minimum values of gypsum content and maximum ones of total porosity. It is shown that leaching from rock blocks in the near-shore zone of the Kafirnigan (Kofarnihon) River is defined by two successive stages: (1) leaching of the dolomitization zone (the slowest) and (2) from the field with background values of dolomite and calcite (fast). The average value of the coefficient of diffusion for Ca
2+
ions in the second region is higher by ~70% than in the first one. |
| doi_str_mv | 10.3103/S0145875217010069 |
| format | Article |
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2+
ions in the second region is higher by ~70% than in the first one.</description><identifier>ISSN: 0145-8752</identifier><identifier>EISSN: 1934-8436</identifier><identifier>DOI: 10.3103/S0145875217010069</identifier><language>eng</language><publisher>New York: Allerton Press</publisher><subject>Brief Communications ; Calcite ; Diffusion ; Dolomite ; Dolomitization ; Dolostone ; Dye dispersion ; Earth and Environmental Science ; Earth Sciences ; Geochemistry ; Geology ; Gypsum ; Ions ; Leaching ; Porosity ; Sandstone ; Sedimentary rocks</subject><ispartof>Moscow University geology bulletin, 2017, Vol.72 (1), p.84-86</ispartof><rights>Allerton Press, Inc. 2017</rights><rights>Moscow University Geology Bulletin is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-ddb090a086a5ef176b85a7540a70ee457c7c8d53a70e635d47cf6bc369b672ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.3103/S0145875217010069$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.3103/S0145875217010069$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Lebedev, A. L.</creatorcontrib><title>A study of the rate of gypsum leaching from the pore space of sandstones</title><title>Moscow University geology bulletin</title><addtitle>Moscow Univ. Geol. Bull</addtitle><description>Experimental studies of the rate of gypsum leaching from the pore space in sandstone revealed a zone with higher dolomite content (due to dolomitization of calcite in the peripheral region of the block), with minimum values of gypsum content and maximum ones of total porosity. It is shown that leaching from rock blocks in the near-shore zone of the Kafirnigan (Kofarnihon) River is defined by two successive stages: (1) leaching of the dolomitization zone (the slowest) and (2) from the field with background values of dolomite and calcite (fast). The average value of the coefficient of diffusion for Ca
2+
ions in the second region is higher by ~70% than in the first one.</description><subject>Brief Communications</subject><subject>Calcite</subject><subject>Diffusion</subject><subject>Dolomite</subject><subject>Dolomitization</subject><subject>Dolostone</subject><subject>Dye dispersion</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Gypsum</subject><subject>Ions</subject><subject>Leaching</subject><subject>Porosity</subject><subject>Sandstone</subject><subject>Sedimentary rocks</subject><issn>0145-8752</issn><issn>1934-8436</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE9Lw0AQxRdRMFY_gLcFz9HZ7L_kWIraQsGDeg6bzSZtabJxJznk25u0HgQRBmaG93tvYAi5Z_DIGfCnd2BCplomTAMDUNkFiVjGRZwKri5JNMvxrF-TG8QDgJSZgIislxT7oRypr2i_czSY3s1zPXY4NPTojN3t25pWwTcnoPPBUeyMPWFo2hJ73zq8JVeVOaK7--kL8vny_LFax9u3181quY1totI-LssCMjCQKiNdxbQqUmm0FGA0OCekttqmpeTzqrgshbaVKixXWaF0YixfkIdzbhf81-Cwzw9-CO10MmcZ6ITzqSaKnSkbPGJwVd6FfWPCmDPI54flfx42eZKzBye2rV34lfyv6RvgC2uZ</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Lebedev, A. L.</creator><general>Allerton Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</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></search><sort><creationdate>2017</creationdate><title>A study of the rate of gypsum leaching from the pore space of sandstones</title><author>Lebedev, A. 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The average value of the coefficient of diffusion for Ca
2+
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| issn | 0145-8752 1934-8436 |
| language | eng |
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| subjects | Brief Communications Calcite Diffusion Dolomite Dolomitization Dolostone Dye dispersion Earth and Environmental Science Earth Sciences Geochemistry Geology Gypsum Ions Leaching Porosity Sandstone Sedimentary rocks |
| title | A study of the rate of gypsum leaching from the pore space of sandstones |
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