Formation and transformation of mixed-layer minerals by Tertiary intrusives in Cretaceous mudstones, West Greenland
In the Nuussuaq Basin, West Greenland, a thick succession of Tertiary dolerites has penetrated Upper Cretaceous mudstone. The mixed-layer minerals of mudstone core samples have been analyzed by X-ray diffraction, solid-state 29Si and 27Al magic-angle spinning nuclear magnetic resonance, Mossbauer an...
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| Veröffentlicht in: | Clays and clay minerals 2007-06, Vol.55 (3), p.260-283 |
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| creator | Drits, Victor A Lindgreen, Holger Sakharov, Boris A Jakobsen, Hans Jorgen Fallick, Anthony E Salyn, Alfred L Dainyak, Lidia G Zviagina, Bella B Barfod, Dan N |
| description | In the Nuussuaq Basin, West Greenland, a thick succession of Tertiary dolerites has penetrated Upper Cretaceous mudstone. The mixed-layer minerals of mudstone core samples have been analyzed by X-ray diffraction, solid-state 29Si and 27Al magic-angle spinning nuclear magnetic resonance, Mossbauer and infrared spectroscopies, thermal analysis, chemical analysis, stable isotopes (18O/16O), and K/Ar dating. The mixed-layer minerals include for each sample two mixed-layer phases consisting of pyrophyllite, margarite, paragonite, tobelite, illite, smectite and vermiculite layers. The main, 80 m thick intrusion resulted in the formation of pyrophyllite, margarite, paragonite and tobelite layers. However, the tobelite layers are absent in samples |
| doi_str_mv | 10.1346/CCMN.2007.0550304 |
| format | Article |
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The mixed-layer minerals of mudstone core samples have been analyzed by X-ray diffraction, solid-state 29Si and 27Al magic-angle spinning nuclear magnetic resonance, Mossbauer and infrared spectroscopies, thermal analysis, chemical analysis, stable isotopes (18O/16O), and K/Ar dating. The mixed-layer minerals include for each sample two mixed-layer phases consisting of pyrophyllite, margarite, paragonite, tobelite, illite, smectite and vermiculite layers. The main, 80 m thick intrusion resulted in the formation of pyrophyllite, margarite, paragonite and tobelite layers. However, the tobelite layers are absent in samples <21 m from this intrusion. Furthermore, chlorite was formed and kaolinite destroyed in samples adjacent to minor intrusions and at distances <60 m from the large intrusion. For the first time, the detailed, complex mixed-layer structures formed during contact metamorphism of kaolinitic, oil-forming mudstones have been investigated accurately. The formation of tobelite layers reveals that oil formation has taken place during contact metamorphism. Furthermore, K/Ar dating of mixed-layer minerals from shale indicates that the intrusives are of early Eocene age. The 80 m thick intrusive is responsible for the main mixed-layer transformations, whereas two thin (3 m and 0.5 m thick) intrusions contribute little. Thus, the detailed mixed-layer investigation has contributed significantly to the understanding of the regional geology and the contact metamorphic processes.</description><identifier>ISSN: 0009-8604</identifier><identifier>EISSN: 1552-8367</identifier><identifier>DOI: 10.1346/CCMN.2007.0550304</identifier><identifier>CODEN: CLCMAB</identifier><language>eng</language><publisher>Boulder, CO: Clay Minerals Society</publisher><subject>Arctic region ; Burial Diagenesis ; Cenozoic ; clastic rocks ; clay mineralogy ; clay minerals ; contact metamorphism ; Cretaceous ; diabase ; Greenland ; igneous rocks ; illite ; Illite-Smectite ; intrusions ; margarite ; Mesozoic ; metamorphism ; mixed-layer minerals ; mudstone ; Nuussuaq Basin ; Oil-Source Rocks ; plutonic rocks ; sed rocks, sediments ; Sedimentary petrology ; sedimentary rocks ; sheet silicates ; silicates ; smectite ; Tertiary ; Tobelite ; transformations ; Upper Cretaceous ; vermiculite ; West Greenland</subject><ispartof>Clays and clay minerals, 2007-06, Vol.55 (3), p.260-283</ispartof><rights>GeoRef, Copyright 2020, American Geosciences Institute. Reference includes data from GeoScienceWorld @Alexandria, VA @USA @United States. Abstract, Copyright, Clay Minerals Society</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a421t-34d17e17512bd6a55d532750b670ef771c810a940cc305e8c047c8d921241bf53</citedby><cites>FETCH-LOGICAL-a421t-34d17e17512bd6a55d532750b670ef771c810a940cc305e8c047c8d921241bf53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18929884$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Drits, Victor A</creatorcontrib><creatorcontrib>Lindgreen, Holger</creatorcontrib><creatorcontrib>Sakharov, Boris A</creatorcontrib><creatorcontrib>Jakobsen, Hans Jorgen</creatorcontrib><creatorcontrib>Fallick, Anthony E</creatorcontrib><creatorcontrib>Salyn, Alfred L</creatorcontrib><creatorcontrib>Dainyak, Lidia G</creatorcontrib><creatorcontrib>Zviagina, Bella B</creatorcontrib><creatorcontrib>Barfod, Dan N</creatorcontrib><title>Formation and transformation of mixed-layer minerals by Tertiary intrusives in Cretaceous mudstones, West Greenland</title><title>Clays and clay minerals</title><addtitle>Clays Clay Miner</addtitle><description>In the Nuussuaq Basin, West Greenland, a thick succession of Tertiary dolerites has penetrated Upper Cretaceous mudstone. The mixed-layer minerals of mudstone core samples have been analyzed by X-ray diffraction, solid-state 29Si and 27Al magic-angle spinning nuclear magnetic resonance, Mossbauer and infrared spectroscopies, thermal analysis, chemical analysis, stable isotopes (18O/16O), and K/Ar dating. The mixed-layer minerals include for each sample two mixed-layer phases consisting of pyrophyllite, margarite, paragonite, tobelite, illite, smectite and vermiculite layers. The main, 80 m thick intrusion resulted in the formation of pyrophyllite, margarite, paragonite and tobelite layers. However, the tobelite layers are absent in samples <21 m from this intrusion. Furthermore, chlorite was formed and kaolinite destroyed in samples adjacent to minor intrusions and at distances <60 m from the large intrusion. For the first time, the detailed, complex mixed-layer structures formed during contact metamorphism of kaolinitic, oil-forming mudstones have been investigated accurately. The formation of tobelite layers reveals that oil formation has taken place during contact metamorphism. Furthermore, K/Ar dating of mixed-layer minerals from shale indicates that the intrusives are of early Eocene age. The 80 m thick intrusive is responsible for the main mixed-layer transformations, whereas two thin (3 m and 0.5 m thick) intrusions contribute little. Thus, the detailed mixed-layer investigation has contributed significantly to the understanding of the regional geology and the contact metamorphic processes.</description><subject>Arctic region</subject><subject>Burial Diagenesis</subject><subject>Cenozoic</subject><subject>clastic rocks</subject><subject>clay mineralogy</subject><subject>clay minerals</subject><subject>contact metamorphism</subject><subject>Cretaceous</subject><subject>diabase</subject><subject>Greenland</subject><subject>igneous rocks</subject><subject>illite</subject><subject>Illite-Smectite</subject><subject>intrusions</subject><subject>margarite</subject><subject>Mesozoic</subject><subject>metamorphism</subject><subject>mixed-layer minerals</subject><subject>mudstone</subject><subject>Nuussuaq Basin</subject><subject>Oil-Source Rocks</subject><subject>plutonic rocks</subject><subject>sed rocks, sediments</subject><subject>Sedimentary petrology</subject><subject>sedimentary rocks</subject><subject>sheet silicates</subject><subject>silicates</subject><subject>smectite</subject><subject>Tertiary</subject><subject>Tobelite</subject><subject>transformations</subject><subject>Upper Cretaceous</subject><subject>vermiculite</subject><subject>West Greenland</subject><issn>0009-8604</issn><issn>1552-8367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNpFkM1u1TAQhSMEEpfCA7DzBjaQy_gvdlYIRbQgFdgUsbR8nUmVKrGL7QD37XFIRC1ZPrLOfDNzquolhSPlonnXdV--HhmAOoKUwEE8qg5USlZr3qjH1QEA2lo3IJ5Wz1K6A2CN4OxQpcsQZ5vH4In1PcnR-jT8_woDmcc_2NeTPWMs2mO0UyKnM7nBmEcbz2T0OS5p_IWpSNJFzNZhWBKZlz7l4DG9JT8wZXIVEf1UujyvngyFgi_296L6fvnxpvtUX3-7-tx9uK6tYDTXXPRUIVWSslPfWCl7yZmScGoU4KAUdZqCbQU4x0GidiCU033LKBP0NEh-Ub3euPcx_FzKCGYek8OpzLAOaFjbas4FL0a6GV0MKUUczH0c57KcoWDWeM0ar1njNXu8pebVDrfJ2WkowbkxPRTqlrVar773m2_0t-izNXdhib6sbdxcrpt37L8j5S6AGxvzKlbCm41wiyG5Eb3D3yFO_QNpI2gl24b_BeNBnkI</recordid><startdate>20070601</startdate><enddate>20070601</enddate><creator>Drits, Victor A</creator><creator>Lindgreen, Holger</creator><creator>Sakharov, Boris A</creator><creator>Jakobsen, Hans Jorgen</creator><creator>Fallick, Anthony E</creator><creator>Salyn, Alfred L</creator><creator>Dainyak, Lidia G</creator><creator>Zviagina, Bella B</creator><creator>Barfod, Dan N</creator><general>Clay Minerals Society</general><general>The Clay Minerals Society</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20070601</creationdate><title>Formation and transformation of mixed-layer minerals by Tertiary intrusives in Cretaceous mudstones, West Greenland</title><author>Drits, Victor A ; Lindgreen, Holger ; Sakharov, Boris A ; Jakobsen, Hans Jorgen ; Fallick, Anthony E ; Salyn, Alfred L ; Dainyak, Lidia G ; Zviagina, Bella B ; Barfod, Dan N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a421t-34d17e17512bd6a55d532750b670ef771c810a940cc305e8c047c8d921241bf53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Arctic region</topic><topic>Burial Diagenesis</topic><topic>Cenozoic</topic><topic>clastic rocks</topic><topic>clay mineralogy</topic><topic>clay minerals</topic><topic>contact metamorphism</topic><topic>Cretaceous</topic><topic>diabase</topic><topic>Greenland</topic><topic>igneous rocks</topic><topic>illite</topic><topic>Illite-Smectite</topic><topic>intrusions</topic><topic>margarite</topic><topic>Mesozoic</topic><topic>metamorphism</topic><topic>mixed-layer minerals</topic><topic>mudstone</topic><topic>Nuussuaq Basin</topic><topic>Oil-Source Rocks</topic><topic>plutonic rocks</topic><topic>sed rocks, sediments</topic><topic>Sedimentary petrology</topic><topic>sedimentary rocks</topic><topic>sheet silicates</topic><topic>silicates</topic><topic>smectite</topic><topic>Tertiary</topic><topic>Tobelite</topic><topic>transformations</topic><topic>Upper Cretaceous</topic><topic>vermiculite</topic><topic>West Greenland</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Drits, Victor A</creatorcontrib><creatorcontrib>Lindgreen, Holger</creatorcontrib><creatorcontrib>Sakharov, Boris A</creatorcontrib><creatorcontrib>Jakobsen, Hans Jorgen</creatorcontrib><creatorcontrib>Fallick, Anthony E</creatorcontrib><creatorcontrib>Salyn, Alfred L</creatorcontrib><creatorcontrib>Dainyak, Lidia G</creatorcontrib><creatorcontrib>Zviagina, Bella B</creatorcontrib><creatorcontrib>Barfod, Dan N</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Clays and clay minerals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Drits, Victor A</au><au>Lindgreen, Holger</au><au>Sakharov, Boris A</au><au>Jakobsen, Hans Jorgen</au><au>Fallick, Anthony E</au><au>Salyn, Alfred L</au><au>Dainyak, Lidia G</au><au>Zviagina, Bella B</au><au>Barfod, Dan N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation and transformation of mixed-layer minerals by Tertiary intrusives in Cretaceous mudstones, West Greenland</atitle><jtitle>Clays and clay minerals</jtitle><stitle>Clays Clay Miner</stitle><date>2007-06-01</date><risdate>2007</risdate><volume>55</volume><issue>3</issue><spage>260</spage><epage>283</epage><pages>260-283</pages><issn>0009-8604</issn><eissn>1552-8367</eissn><coden>CLCMAB</coden><abstract>In the Nuussuaq Basin, West Greenland, a thick succession of Tertiary dolerites has penetrated Upper Cretaceous mudstone. The mixed-layer minerals of mudstone core samples have been analyzed by X-ray diffraction, solid-state 29Si and 27Al magic-angle spinning nuclear magnetic resonance, Mossbauer and infrared spectroscopies, thermal analysis, chemical analysis, stable isotopes (18O/16O), and K/Ar dating. The mixed-layer minerals include for each sample two mixed-layer phases consisting of pyrophyllite, margarite, paragonite, tobelite, illite, smectite and vermiculite layers. The main, 80 m thick intrusion resulted in the formation of pyrophyllite, margarite, paragonite and tobelite layers. However, the tobelite layers are absent in samples <21 m from this intrusion. Furthermore, chlorite was formed and kaolinite destroyed in samples adjacent to minor intrusions and at distances <60 m from the large intrusion. For the first time, the detailed, complex mixed-layer structures formed during contact metamorphism of kaolinitic, oil-forming mudstones have been investigated accurately. The formation of tobelite layers reveals that oil formation has taken place during contact metamorphism. Furthermore, K/Ar dating of mixed-layer minerals from shale indicates that the intrusives are of early Eocene age. The 80 m thick intrusive is responsible for the main mixed-layer transformations, whereas two thin (3 m and 0.5 m thick) intrusions contribute little. Thus, the detailed mixed-layer investigation has contributed significantly to the understanding of the regional geology and the contact metamorphic processes.</abstract><cop>Boulder, CO</cop><pub>Clay Minerals Society</pub><doi>10.1346/CCMN.2007.0550304</doi><tpages>24</tpages></addata></record> |
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| ispartof | Clays and clay minerals, 2007-06, Vol.55 (3), p.260-283 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Arctic region Burial Diagenesis Cenozoic clastic rocks clay mineralogy clay minerals contact metamorphism Cretaceous diabase Greenland igneous rocks illite Illite-Smectite intrusions margarite Mesozoic metamorphism mixed-layer minerals mudstone Nuussuaq Basin Oil-Source Rocks plutonic rocks sed rocks, sediments Sedimentary petrology sedimentary rocks sheet silicates silicates smectite Tertiary Tobelite transformations Upper Cretaceous vermiculite West Greenland |
| title | Formation and transformation of mixed-layer minerals by Tertiary intrusives in Cretaceous mudstones, West Greenland |
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