Whole-rock chemical composition, lightness, and alteration ratio of the intrusive rocks, in the eastern Shitara area, Aichi Prefecture
Miocene dikes and sills are widely exposed in the eastern Shitara area, Aichi Prefecture, central Japan. Whole-rock chemical composition, grain size, lightness, and the alteration ratio of the intrusive rocks from three outcrops in the Shitara area are described in this paper. The central part of th...
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| Veröffentlicht in: | Chishitsugaku zasshi 2020/11/15, Vol.126(11), pp.645-654 |
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| creator | Zushida, Kazunori Okamura, Taro Nimura, Kohei Tsukada, Kazuhiro Takeuchi, Makoto |
| description | Miocene dikes and sills are widely exposed in the eastern Shitara area, Aichi Prefecture, central Japan. Whole-rock chemical composition, grain size, lightness, and the alteration ratio of the intrusive rocks from three outcrops in the Shitara area are described in this paper. The central part of the intrusive rock bodies, commonly dark gray, gradually changes into grayish white toward its marginal part. The lightness of the polished surface of the rocks was measured using the hue, saturation, lightness (HSL) tool in the Inkscape graphics editor. At the white part, plagioclase crystals are fine-grained and severely replaced by secondary minerals such as calcite, whereas plagioclase, at the dark gray part, is much larger than that in the white part and less altered. Turning to chemical composition, common feature cannot be found among three outcrops. |
| doi_str_mv | 10.5575/geosoc.2020.0037 |
| format | Article |
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Whole-rock chemical composition, grain size, lightness, and the alteration ratio of the intrusive rocks from three outcrops in the Shitara area are described in this paper. The central part of the intrusive rock bodies, commonly dark gray, gradually changes into grayish white toward its marginal part. The lightness of the polished surface of the rocks was measured using the hue, saturation, lightness (HSL) tool in the Inkscape graphics editor. At the white part, plagioclase crystals are fine-grained and severely replaced by secondary minerals such as calcite, whereas plagioclase, at the dark gray part, is much larger than that in the white part and less altered. Turning to chemical composition, common feature cannot be found among three outcrops.</description><identifier>ISSN: 0016-7630</identifier><identifier>EISSN: 1349-9963</identifier><identifier>DOI: 10.5575/geosoc.2020.0037</identifier><language>eng ; jpn</language><publisher>Tokyo: The Geological Society of Japan</publisher><subject>alteration ; Calcite ; Chemical composition ; Crystals ; dike ; Dikes ; Embankments ; Graphics ; image processing ; intrusive rock ; lightness ; Miocene ; Outcrops ; Plagioclase ; Rock ; Rocks ; Saturation ; Shitara area ; silicified andesite ; sill ; Sills</subject><ispartof>The Journal of the Geological Society of Japan, 2020/11/15, Vol.126(11), pp.645-654</ispartof><rights>2020 by The Geological Society of Japan</rights><rights>Copyright Japan Science and Technology Agency 2020</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a2007-39656a07bdfec0eadebc6ccdcc5e8f261d322ce767ab13f78ce6b20ed313f6ab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids></links><search><creatorcontrib>Zushida, Kazunori</creatorcontrib><creatorcontrib>Okamura, Taro</creatorcontrib><creatorcontrib>Nimura, Kohei</creatorcontrib><creatorcontrib>Tsukada, Kazuhiro</creatorcontrib><creatorcontrib>Takeuchi, Makoto</creatorcontrib><title>Whole-rock chemical composition, lightness, and alteration ratio of the intrusive rocks, in the eastern Shitara area, Aichi Prefecture</title><title>Chishitsugaku zasshi</title><addtitle>Jour. Geol. Soc. Japan</addtitle><description>Miocene dikes and sills are widely exposed in the eastern Shitara area, Aichi Prefecture, central Japan. Whole-rock chemical composition, grain size, lightness, and the alteration ratio of the intrusive rocks from three outcrops in the Shitara area are described in this paper. The central part of the intrusive rock bodies, commonly dark gray, gradually changes into grayish white toward its marginal part. The lightness of the polished surface of the rocks was measured using the hue, saturation, lightness (HSL) tool in the Inkscape graphics editor. At the white part, plagioclase crystals are fine-grained and severely replaced by secondary minerals such as calcite, whereas plagioclase, at the dark gray part, is much larger than that in the white part and less altered. Turning to chemical composition, common feature cannot be found among three outcrops.</description><subject>alteration</subject><subject>Calcite</subject><subject>Chemical composition</subject><subject>Crystals</subject><subject>dike</subject><subject>Dikes</subject><subject>Embankments</subject><subject>Graphics</subject><subject>image processing</subject><subject>intrusive rock</subject><subject>lightness</subject><subject>Miocene</subject><subject>Outcrops</subject><subject>Plagioclase</subject><subject>Rock</subject><subject>Rocks</subject><subject>Saturation</subject><subject>Shitara area</subject><subject>silicified andesite</subject><subject>sill</subject><subject>Sills</subject><issn>0016-7630</issn><issn>1349-9963</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9kE9r3DAQxUVpIEuae46CXtfbkRRL8TGE_gkEWmhLjmI8Hq-Veq2tpC30C_Rz195t9_SYmfebGZ4QNwo2de3qd1uOOdJGg4YNgHGvxEqZ26ZqGmteixWAspWzBi7Fdc6hBYDGWOP0Svx5HuLIVYr0Q9LAu0A4Soq7fcyhhDit5Ri2Q5k457XEqZM4Fk64jORRZOxlGViGqaRDDr9YLrtmc5iOfcY8A5P8OoSCCSUmxrW8DzQE-SVxz1QOid-Iix7HzNf_9Ep8__D-28On6unzx8eH-6cKNYCrTGNri-DabuaAseOWLFFHVPNdr63qjNbEzjpslendHbFtNXBn5spia67E29PefYo_D5yLf4mHNM0nvb5tajBgVT274OSiFHOen_T7FHaYfnsFfgncnwL3S-B-CXxGHk_ISy645TOAqQQa-T-gtPVKHeXMnj00YPI8mb9P0pGQ</recordid><startdate>20201115</startdate><enddate>20201115</enddate><creator>Zushida, Kazunori</creator><creator>Okamura, Taro</creator><creator>Nimura, Kohei</creator><creator>Tsukada, Kazuhiro</creator><creator>Takeuchi, Makoto</creator><general>The Geological Society of Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20201115</creationdate><title>Whole-rock chemical composition, lightness, and alteration ratio of the intrusive rocks, in the eastern Shitara area, Aichi Prefecture</title><author>Zushida, Kazunori ; Okamura, Taro ; Nimura, Kohei ; Tsukada, Kazuhiro ; Takeuchi, Makoto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a2007-39656a07bdfec0eadebc6ccdcc5e8f261d322ce767ab13f78ce6b20ed313f6ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>alteration</topic><topic>Calcite</topic><topic>Chemical composition</topic><topic>Crystals</topic><topic>dike</topic><topic>Dikes</topic><topic>Embankments</topic><topic>Graphics</topic><topic>image processing</topic><topic>intrusive rock</topic><topic>lightness</topic><topic>Miocene</topic><topic>Outcrops</topic><topic>Plagioclase</topic><topic>Rock</topic><topic>Rocks</topic><topic>Saturation</topic><topic>Shitara area</topic><topic>silicified andesite</topic><topic>sill</topic><topic>Sills</topic><toplevel>online_resources</toplevel><creatorcontrib>Zushida, Kazunori</creatorcontrib><creatorcontrib>Okamura, Taro</creatorcontrib><creatorcontrib>Nimura, Kohei</creatorcontrib><creatorcontrib>Tsukada, Kazuhiro</creatorcontrib><creatorcontrib>Takeuchi, Makoto</creatorcontrib><collection>CrossRef</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Chishitsugaku zasshi</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zushida, Kazunori</au><au>Okamura, Taro</au><au>Nimura, Kohei</au><au>Tsukada, Kazuhiro</au><au>Takeuchi, Makoto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Whole-rock chemical composition, lightness, and alteration ratio of the intrusive rocks, in the eastern Shitara area, Aichi Prefecture</atitle><jtitle>Chishitsugaku zasshi</jtitle><addtitle>Jour. Geol. Soc. Japan</addtitle><date>2020-11-15</date><risdate>2020</risdate><volume>126</volume><issue>11</issue><spage>645</spage><epage>654</epage><pages>645-654</pages><artnum>2020.0037</artnum><issn>0016-7630</issn><eissn>1349-9963</eissn><abstract>Miocene dikes and sills are widely exposed in the eastern Shitara area, Aichi Prefecture, central Japan. Whole-rock chemical composition, grain size, lightness, and the alteration ratio of the intrusive rocks from three outcrops in the Shitara area are described in this paper. The central part of the intrusive rock bodies, commonly dark gray, gradually changes into grayish white toward its marginal part. The lightness of the polished surface of the rocks was measured using the hue, saturation, lightness (HSL) tool in the Inkscape graphics editor. At the white part, plagioclase crystals are fine-grained and severely replaced by secondary minerals such as calcite, whereas plagioclase, at the dark gray part, is much larger than that in the white part and less altered. Turning to chemical composition, common feature cannot be found among three outcrops.</abstract><cop>Tokyo</cop><pub>The Geological Society of Japan</pub><doi>10.5575/geosoc.2020.0037</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | alteration Calcite Chemical composition Crystals dike Dikes Embankments Graphics image processing intrusive rock lightness Miocene Outcrops Plagioclase Rock Rocks Saturation Shitara area silicified andesite sill Sills |
| title | Whole-rock chemical composition, lightness, and alteration ratio of the intrusive rocks, in the eastern Shitara area, Aichi Prefecture |
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