Paragenesis of Cr-rich muscovite and chlorite in green-mica quartzites of Saigaon–Palasgaon area, Western Bastar Craton, India
Green mica (fuchsite or chromian-muscovite) is reported worldwide in the Archaean metasedimentary rocks, especially quartzites. They are generally associated with a suite of heavy minerals and a range of phyllosilicates. We report the occurrence of green-mica quartzites in the Saigaon–Palasgaon area...
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| Veröffentlicht in: | Journal of Earth System Science 2015-02, Vol.124 (1), p.213-225 |
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| creator | RANDIVE, K R KORAKOPPA, M M MULEY, S V VARADE, A M KHANDARE, H W LANJEWAR, S G TIWARI, R R ARADHI, K K |
| description | Green mica (fuchsite or chromian-muscovite) is reported worldwide in the Archaean metasedimentary rocks, especially quartzites. They are generally associated with a suite of heavy minerals and a range of phyllosilicates. We report the occurrence of green-mica quartzites in the Saigaon–Palasgaon area within Bastar Craton in central India. Mineralogical study has shown that there are two types of muscovites; the chromium-containing muscovite (Cr
2
O
3
0.84–1.84%) and muscovite (Cr
2
O
3
0.00–0.22%). Chlorites are chromium-containing chlorites (Cr
2
O
3
3.66–5.39%) and low-chromium-containing chlorites (Cr
2
O
3
0.56–2.62%), and as such represent ripidolite–brunsvigite varieties. Back scattered electron images and EPMA data has revealed that chlorite occurs in two forms, viz., parallel to subparallel stacks in the form of intergrowth with muscovite and independent crystals within the matrix. The present study indicates that the replacement of chromium-containing chlorite by chromium-containing muscovite is found to be due to increasing grade of metamorphism of chromium-rich sediments. However, the absence of significant compositional gap between aforementioned varieties indicates disparate substitution of cations, especially chromium, within matrix chlorites. The chromium-containing muscovite and muscovite are two separate varieties having distinct paragenesis. |
| doi_str_mv | 10.1007/s12040-014-0514-0 |
| format | Article |
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2
O
3
0.84–1.84%) and muscovite (Cr
2
O
3
0.00–0.22%). Chlorites are chromium-containing chlorites (Cr
2
O
3
3.66–5.39%) and low-chromium-containing chlorites (Cr
2
O
3
0.56–2.62%), and as such represent ripidolite–brunsvigite varieties. Back scattered electron images and EPMA data has revealed that chlorite occurs in two forms, viz., parallel to subparallel stacks in the form of intergrowth with muscovite and independent crystals within the matrix. The present study indicates that the replacement of chromium-containing chlorite by chromium-containing muscovite is found to be due to increasing grade of metamorphism of chromium-rich sediments. However, the absence of significant compositional gap between aforementioned varieties indicates disparate substitution of cations, especially chromium, within matrix chlorites. The chromium-containing muscovite and muscovite are two separate varieties having distinct paragenesis.</description><identifier>ISSN: 0253-4126</identifier><identifier>EISSN: 0973-774X</identifier><identifier>DOI: 10.1007/s12040-014-0514-0</identifier><language>eng</language><publisher>India: Springer India</publisher><subject>Cations ; Chlorite ; Chlorites ; Chromium ; Chromium oxides ; Cratons ; Crystals ; Earth and Environmental Science ; Earth Sciences ; Geology ; Heavy minerals ; Metamorphism ; Mica ; Muscovite ; Quartz ; Quartzite ; Sediments ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Studies</subject><ispartof>Journal of Earth System Science, 2015-02, Vol.124 (1), p.213-225</ispartof><rights>Indian Academy of Sciences 2015</rights><rights>Indian Academy of Sciences 2015.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a382t-f74fee3fb1f9b920de6f4360e1b36f53c64b7600579b6574171a4647a31d968a3</citedby><cites>FETCH-LOGICAL-a382t-f74fee3fb1f9b920de6f4360e1b36f53c64b7600579b6574171a4647a31d968a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12040-014-0514-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12040-014-0514-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>RANDIVE, K R</creatorcontrib><creatorcontrib>KORAKOPPA, M M</creatorcontrib><creatorcontrib>MULEY, S V</creatorcontrib><creatorcontrib>VARADE, A M</creatorcontrib><creatorcontrib>KHANDARE, H W</creatorcontrib><creatorcontrib>LANJEWAR, S G</creatorcontrib><creatorcontrib>TIWARI, R R</creatorcontrib><creatorcontrib>ARADHI, K K</creatorcontrib><title>Paragenesis of Cr-rich muscovite and chlorite in green-mica quartzites of Saigaon–Palasgaon area, Western Bastar Craton, India</title><title>Journal of Earth System Science</title><addtitle>J Earth Syst Sci</addtitle><description>Green mica (fuchsite or chromian-muscovite) is reported worldwide in the Archaean metasedimentary rocks, especially quartzites. They are generally associated with a suite of heavy minerals and a range of phyllosilicates. We report the occurrence of green-mica quartzites in the Saigaon–Palasgaon area within Bastar Craton in central India. Mineralogical study has shown that there are two types of muscovites; the chromium-containing muscovite (Cr
2
O
3
0.84–1.84%) and muscovite (Cr
2
O
3
0.00–0.22%). Chlorites are chromium-containing chlorites (Cr
2
O
3
3.66–5.39%) and low-chromium-containing chlorites (Cr
2
O
3
0.56–2.62%), and as such represent ripidolite–brunsvigite varieties. Back scattered electron images and EPMA data has revealed that chlorite occurs in two forms, viz., parallel to subparallel stacks in the form of intergrowth with muscovite and independent crystals within the matrix. The present study indicates that the replacement of chromium-containing chlorite by chromium-containing muscovite is found to be due to increasing grade of metamorphism of chromium-rich sediments. However, the absence of significant compositional gap between aforementioned varieties indicates disparate substitution of cations, especially chromium, within matrix chlorites. The chromium-containing muscovite and muscovite are two separate varieties having distinct paragenesis.</description><subject>Cations</subject><subject>Chlorite</subject><subject>Chlorites</subject><subject>Chromium</subject><subject>Chromium oxides</subject><subject>Cratons</subject><subject>Crystals</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geology</subject><subject>Heavy minerals</subject><subject>Metamorphism</subject><subject>Mica</subject><subject>Muscovite</subject><subject>Quartz</subject><subject>Quartzite</subject><subject>Sediments</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Studies</subject><issn>0253-4126</issn><issn>0973-774X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1UMtKAzEUHUTBWv0AdwG3jd5MMklnqcVHoaCgortwZ5q0U9pMm8wIuuo_-Id-iRnrwo2b--I8LidJThmcMwB1EVgKAigwQSHryl7Sg1xxqpR43Y9zmnEqWCoPk6MQFgBcDlXeS7YP6HFmnAlVILUlI099Vc7Jqg1l_VY1hqCbknK-rH23VI7MvDGOrqoSyaZF33zE-w_1EasZ1u5r-_mASwzdTNAbHJAXExrjHbnC0KCPHtjUbkDGblrhcXJgcRnMyW_vJ88310-jOzq5vx2PLicU-TBtqFXCGsNtwWxe5ClMjbSCSzCs4NJmvJSiUBIgU3khMyWYYiikUMjZNJdD5P3kbKe79vWmjQ_pRd16Fy01k9kQlFRCRRTboUpfh-CN1WtfrdC_awa6C1rvgtYxaN0FrSFy0h0nRKybGf9H-V_SN93Qgck</recordid><startdate>20150201</startdate><enddate>20150201</enddate><creator>RANDIVE, K R</creator><creator>KORAKOPPA, M M</creator><creator>MULEY, S V</creator><creator>VARADE, A M</creator><creator>KHANDARE, H W</creator><creator>LANJEWAR, S G</creator><creator>TIWARI, R R</creator><creator>ARADHI, K K</creator><general>Springer India</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</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>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>20150201</creationdate><title>Paragenesis of Cr-rich muscovite and chlorite in green-mica quartzites of Saigaon–Palasgaon area, Western Bastar Craton, India</title><author>RANDIVE, K R ; KORAKOPPA, M M ; MULEY, S V ; VARADE, A M ; KHANDARE, H W ; LANJEWAR, S G ; TIWARI, R R ; ARADHI, K K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a382t-f74fee3fb1f9b920de6f4360e1b36f53c64b7600579b6574171a4647a31d968a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Cations</topic><topic>Chlorite</topic><topic>Chlorites</topic><topic>Chromium</topic><topic>Chromium oxides</topic><topic>Cratons</topic><topic>Crystals</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Geology</topic><topic>Heavy minerals</topic><topic>Metamorphism</topic><topic>Mica</topic><topic>Muscovite</topic><topic>Quartz</topic><topic>Quartzite</topic><topic>Sediments</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>RANDIVE, K R</creatorcontrib><creatorcontrib>KORAKOPPA, M M</creatorcontrib><creatorcontrib>MULEY, S V</creatorcontrib><creatorcontrib>VARADE, A M</creatorcontrib><creatorcontrib>KHANDARE, H W</creatorcontrib><creatorcontrib>LANJEWAR, S G</creatorcontrib><creatorcontrib>TIWARI, R R</creatorcontrib><creatorcontrib>ARADHI, K K</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Journal of Earth System Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>RANDIVE, K R</au><au>KORAKOPPA, M M</au><au>MULEY, S V</au><au>VARADE, A M</au><au>KHANDARE, H W</au><au>LANJEWAR, S G</au><au>TIWARI, R R</au><au>ARADHI, K K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Paragenesis of Cr-rich muscovite and chlorite in green-mica quartzites of Saigaon–Palasgaon area, Western Bastar Craton, India</atitle><jtitle>Journal of Earth System Science</jtitle><stitle>J Earth Syst Sci</stitle><date>2015-02-01</date><risdate>2015</risdate><volume>124</volume><issue>1</issue><spage>213</spage><epage>225</epage><pages>213-225</pages><issn>0253-4126</issn><eissn>0973-774X</eissn><abstract>Green mica (fuchsite or chromian-muscovite) is reported worldwide in the Archaean metasedimentary rocks, especially quartzites. They are generally associated with a suite of heavy minerals and a range of phyllosilicates. We report the occurrence of green-mica quartzites in the Saigaon–Palasgaon area within Bastar Craton in central India. Mineralogical study has shown that there are two types of muscovites; the chromium-containing muscovite (Cr
2
O
3
0.84–1.84%) and muscovite (Cr
2
O
3
0.00–0.22%). Chlorites are chromium-containing chlorites (Cr
2
O
3
3.66–5.39%) and low-chromium-containing chlorites (Cr
2
O
3
0.56–2.62%), and as such represent ripidolite–brunsvigite varieties. Back scattered electron images and EPMA data has revealed that chlorite occurs in two forms, viz., parallel to subparallel stacks in the form of intergrowth with muscovite and independent crystals within the matrix. The present study indicates that the replacement of chromium-containing chlorite by chromium-containing muscovite is found to be due to increasing grade of metamorphism of chromium-rich sediments. However, the absence of significant compositional gap between aforementioned varieties indicates disparate substitution of cations, especially chromium, within matrix chlorites. The chromium-containing muscovite and muscovite are two separate varieties having distinct paragenesis.</abstract><cop>India</cop><pub>Springer India</pub><doi>10.1007/s12040-014-0514-0</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| source | Indian Academy of Sciences; Springer Nature - Complete Springer Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Cations Chlorite Chlorites Chromium Chromium oxides Cratons Crystals Earth and Environmental Science Earth Sciences Geology Heavy minerals Metamorphism Mica Muscovite Quartz Quartzite Sediments Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Studies |
| title | Paragenesis of Cr-rich muscovite and chlorite in green-mica quartzites of Saigaon–Palasgaon area, Western Bastar Craton, India |
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