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Microstructures and orientation relationships in the dry-state aragonite-calcite and calcite-lime phase transformations

The aragonite-calcite and calcite-lime (CaO) transformations were observed in situ by high-voltage TEM. Above 400°C aragonite single-crystals begin to transform into calcite through heterogeneous nucleation on dislocations, twin boundaries, and modulated microstructures. Subsequent growth is general...

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Published in:	The American mineralogist 1985-12, Vol.70 (11-12), p.1253-1261
Main Authors:	McTigue, Jr, Wenk, Hans-Rudolf
Format:	Article
Language:	English
Subjects:	aragonite calcite calcium carbonate carbonates crystal growth crystal structure experimental studies high temperature high-resolution methods microstructure mineral data Mineralogy minerals natural materials nonsilicates nucleation orientation phase equilibria polymorphism TEM data temperature transformations
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container_title	The American mineralogist
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creator	McTigue, Jr Wenk, Hans-Rudolf
description	The aragonite-calcite and calcite-lime (CaO) transformations were observed in situ by high-voltage TEM. Above 400°C aragonite single-crystals begin to transform into calcite through heterogeneous nucleation on dislocations, twin boundaries, and modulated microstructures. Subsequent growth is generally topotactic.
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Subsequent growth is generally topotactic.</description><subject>aragonite</subject><subject>calcite</subject><subject>calcium carbonate</subject><subject>carbonates</subject><subject>crystal growth</subject><subject>crystal structure</subject><subject>experimental studies</subject><subject>high temperature</subject><subject>high-resolution methods</subject><subject>microstructure</subject><subject>mineral data</subject><subject>Mineralogy</subject><subject>minerals</subject><subject>natural materials</subject><subject>nonsilicates</subject><subject>nucleation</subject><subject>orientation</subject><subject>phase equilibria</subject><subject>polymorphism</subject><subject>TEM data</subject><subject>temperature</subject><subject>transformations</subject><issn>0003-004X</issn><issn>1945-3027</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotkEtrwzAQhEVpoW7a_6B7EciS_NCxhL4goZcWejNraR0rOFKQZEL_fd0ml9lhWL5l54oUpVYVk1w016TgnEvGufq-JXcp7TkXQla6IKetMzGkHGeT54iJgrc0RIc-Q3bB04jTv0mjOybqPM0jUht_WFoWkEKEXfAuIzMwGfeXLICLZ5M7ID2OkJDmCD4NIR7OtHtyM8CU8OEyV-Tr5flz_cY2H6_v66cNg1I0mcGgsVxE2EYMda17DVIIBVo3Vipl0Rhtoe0FQF8OfSNabgSIsq8qpSrD5Yo8nrk7DMksbxk8hTjZbh_m6JfLXanbultKkrqVv71-YAI</recordid><startdate>198512</startdate><enddate>198512</enddate><creator>McTigue, Jr</creator><creator>Wenk, Hans-Rudolf</creator><general>Mineralogical Society of America</general><scope/></search><sort><creationdate>198512</creationdate><title>Microstructures and orientation relationships in the dry-state aragonite-calcite and calcite-lime phase transformations</title><author>McTigue, Jr ; Wenk, Hans-Rudolf</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a127t-af9e1af92d72f669b9a3224a997d344decc9da8b2aab1fb7280c2a21b55445c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>aragonite</topic><topic>calcite</topic><topic>calcium carbonate</topic><topic>carbonates</topic><topic>crystal growth</topic><topic>crystal structure</topic><topic>experimental studies</topic><topic>high temperature</topic><topic>high-resolution methods</topic><topic>microstructure</topic><topic>mineral data</topic><topic>Mineralogy</topic><topic>minerals</topic><topic>natural materials</topic><topic>nonsilicates</topic><topic>nucleation</topic><topic>orientation</topic><topic>phase equilibria</topic><topic>polymorphism</topic><topic>TEM data</topic><topic>temperature</topic><topic>transformations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>McTigue, Jr</creatorcontrib><creatorcontrib>Wenk, Hans-Rudolf</creatorcontrib><jtitle>The American mineralogist</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>McTigue, Jr</au><au>Wenk, Hans-Rudolf</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructures and orientation relationships in the dry-state aragonite-calcite and calcite-lime phase transformations</atitle><jtitle>The American mineralogist</jtitle><date>1985-12</date><risdate>1985</risdate><volume>70</volume><issue>11-12</issue><spage>1253</spage><epage>1261</epage><pages>1253-1261</pages><issn>0003-004X</issn><eissn>1945-3027</eissn><abstract>The aragonite-calcite and calcite-lime (CaO) transformations were observed in situ by high-voltage TEM. Above 400°C aragonite single-crystals begin to transform into calcite through heterogeneous nucleation on dislocations, twin boundaries, and modulated microstructures. Subsequent growth is generally topotactic.</abstract><pub>Mineralogical Society of America</pub><tpages>9</tpages></addata></record>
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issn	0003-004X 1945-3027
language	eng
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source	Full-Text Journals in Chemistry (Open access)
subjects	aragonite calcite calcium carbonate carbonates crystal growth crystal structure experimental studies high temperature high-resolution methods microstructure mineral data Mineralogy minerals natural materials nonsilicates nucleation orientation phase equilibria polymorphism TEM data temperature transformations
title	Microstructures and orientation relationships in the dry-state aragonite-calcite and calcite-lime phase transformations
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