Modal analyses of granitoids by quantitative X-ray diffraction
Modal proportions of quartz, plagioclase, perthite, and/or orthoclase are determined in artificial mixtures (presumed to simulate granitic rocks) and in actual granitic rocks by XRD. This procedure utilizes the ubiquitous presence of quartz in all samples, as an internal standard. The percentage rel...
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| Veröffentlicht in: | The American mineralogist 1987-04, Vol.72 (3-4), p.433-437 |
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| container_issue | 3-4 |
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| container_title | The American mineralogist |
| container_volume | 72 |
| creator | Maniar, Papu D Cooke, Gary A |
| description | Modal proportions of quartz, plagioclase, perthite, and/or orthoclase are determined in artificial mixtures (presumed to simulate granitic rocks) and in actual granitic rocks by XRD. This procedure utilizes the ubiquitous presence of quartz in all samples, as an internal standard. The percentage relative error for this technique, excluding counting statistics, has a standard deviation of 7%. |
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This procedure utilizes the ubiquitous presence of quartz in all samples, as an internal standard. The percentage relative error for this technique, excluding counting statistics, has a standard deviation of 7%.</description><identifier>ISSN: 0003-004X</identifier><identifier>EISSN: 1945-3027</identifier><language>eng</language><publisher>Mineralogical Society of America</publisher><subject>alkali feldspar ; applications ; experimental studies ; feldspar group ; framework silicates ; granites ; granitic composition ; igneous and metamorphic rocks ; igneous rocks ; mineral composition ; modal analysis ; natural materials ; orthoclase ; perthite ; Petrology ; plagioclase ; plutonic rocks ; quantitative analysis ; quartz ; silica minerals ; silicates ; statistical analysis ; synthetic materials ; X-ray analysis ; X-ray data ; X-ray diffraction analysis</subject><ispartof>The American mineralogist, 1987-04, Vol.72 (3-4), p.433-437</ispartof><rights>GeoRef, Copyright 2020, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom @Twickenham @GBR @United Kingdom</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782</link.rule.ids></links><search><creatorcontrib>Maniar, Papu D</creatorcontrib><creatorcontrib>Cooke, Gary A</creatorcontrib><title>Modal analyses of granitoids by quantitative X-ray diffraction</title><title>The American mineralogist</title><description>Modal proportions of quartz, plagioclase, perthite, and/or orthoclase are determined in artificial mixtures (presumed to simulate granitic rocks) and in actual granitic rocks by XRD. This procedure utilizes the ubiquitous presence of quartz in all samples, as an internal standard. The percentage relative error for this technique, excluding counting statistics, has a standard deviation of 7%.</description><subject>alkali feldspar</subject><subject>applications</subject><subject>experimental studies</subject><subject>feldspar group</subject><subject>framework silicates</subject><subject>granites</subject><subject>granitic composition</subject><subject>igneous and metamorphic rocks</subject><subject>igneous rocks</subject><subject>mineral composition</subject><subject>modal analysis</subject><subject>natural materials</subject><subject>orthoclase</subject><subject>perthite</subject><subject>Petrology</subject><subject>plagioclase</subject><subject>plutonic rocks</subject><subject>quantitative analysis</subject><subject>quartz</subject><subject>silica minerals</subject><subject>silicates</subject><subject>statistical analysis</subject><subject>synthetic materials</subject><subject>X-ray analysis</subject><subject>X-ray data</subject><subject>X-ray diffraction analysis</subject><issn>0003-004X</issn><issn>1945-3027</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotzstKxDAUgOEgCtbRd8heAqe5tMlGkMEbjLhRmF05TU6GDKXBJqP07RV09e8-_jPWtE4boUD256wBACUA9P6SXZVyBJBSGdewu9cccOI447QWKjxHflhwTjWnUPi48s8TzjVVrOmL-F4suPKQYlzQ15Tna3YRcSp0898N-3h8eN8-i93b08v2fidQtrIKHXQMURkKcTQdKWXBBjk6ctajlkr60HVgobUadNS-0-TA9BB625mWrNqw2z_3QLn4RLOn77xMYTjm0_L7XobW2X4AK41T6gesA0hh</recordid><startdate>198704</startdate><enddate>198704</enddate><creator>Maniar, Papu D</creator><creator>Cooke, Gary A</creator><general>Mineralogical Society of America</general><scope/></search><sort><creationdate>198704</creationdate><title>Modal analyses of granitoids by quantitative X-ray diffraction</title><author>Maniar, Papu D ; Cooke, Gary A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a212t-4d4fdf35edfb56e33808d2b9e98ca4232cd6608018404f4c64e90570d78651e83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>alkali feldspar</topic><topic>applications</topic><topic>experimental studies</topic><topic>feldspar group</topic><topic>framework silicates</topic><topic>granites</topic><topic>granitic composition</topic><topic>igneous and metamorphic rocks</topic><topic>igneous rocks</topic><topic>mineral composition</topic><topic>modal analysis</topic><topic>natural materials</topic><topic>orthoclase</topic><topic>perthite</topic><topic>Petrology</topic><topic>plagioclase</topic><topic>plutonic rocks</topic><topic>quantitative analysis</topic><topic>quartz</topic><topic>silica minerals</topic><topic>silicates</topic><topic>statistical analysis</topic><topic>synthetic materials</topic><topic>X-ray analysis</topic><topic>X-ray data</topic><topic>X-ray diffraction analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maniar, Papu D</creatorcontrib><creatorcontrib>Cooke, Gary A</creatorcontrib><jtitle>The American mineralogist</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maniar, Papu D</au><au>Cooke, Gary A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modal analyses of granitoids by quantitative X-ray diffraction</atitle><jtitle>The American mineralogist</jtitle><date>1987-04</date><risdate>1987</risdate><volume>72</volume><issue>3-4</issue><spage>433</spage><epage>437</epage><pages>433-437</pages><issn>0003-004X</issn><eissn>1945-3027</eissn><abstract>Modal proportions of quartz, plagioclase, perthite, and/or orthoclase are determined in artificial mixtures (presumed to simulate granitic rocks) and in actual granitic rocks by XRD. This procedure utilizes the ubiquitous presence of quartz in all samples, as an internal standard. The percentage relative error for this technique, excluding counting statistics, has a standard deviation of 7%.</abstract><pub>Mineralogical Society of America</pub><tpages>5</tpages></addata></record> |
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| ispartof | The American mineralogist, 1987-04, Vol.72 (3-4), p.433-437 |
| issn | 0003-004X 1945-3027 |
| language | eng |
| recordid | cdi_geoscienceworld_journals_1987_082593 |
| source | EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | alkali feldspar applications experimental studies feldspar group framework silicates granites granitic composition igneous and metamorphic rocks igneous rocks mineral composition modal analysis natural materials orthoclase perthite Petrology plagioclase plutonic rocks quantitative analysis quartz silica minerals silicates statistical analysis synthetic materials X-ray analysis X-ray data X-ray diffraction analysis |
| title | Modal analyses of granitoids by quantitative X-ray diffraction |
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