{"title":"Anisotropic track etching in olivine crystals using WN solution","authors":"I.W. Davie, S.A. Durrani","doi":"10.1016/0145-224X(78)90024-8","DOIUrl":null,"url":null,"abstract":"<div><p>The olivine etchant, boiling WN solution, has been tested at three particular values of pH (7.6, 8.0 and 8.4) for various etch times up to 7 hr on externally produced fission tracks in specific crystallographic planes. Evidence has been found for systematic anisotropies in fission-track revelation in certain planes. These anisotropies reflect marked differences in the bulk etching rates for the various planes, which are found to be in the proportions 5:4:2 for the <em>ab, bc</em> and <em>ac</em> planes, respectively. Lower apparent etching efficiencies, in the range 37–77% relative to muscovite mica, have been found in some planes than would seem reasonable from critical angle considerations.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"2 4","pages":"Pages 199-205"},"PeriodicalIF":0.0000,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(78)90024-8","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuclear Track Detection","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0145224X78900248","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
The olivine etchant, boiling WN solution, has been tested at three particular values of pH (7.6, 8.0 and 8.4) for various etch times up to 7 hr on externally produced fission tracks in specific crystallographic planes. Evidence has been found for systematic anisotropies in fission-track revelation in certain planes. These anisotropies reflect marked differences in the bulk etching rates for the various planes, which are found to be in the proportions 5:4:2 for the ab, bc and ac planes, respectively. Lower apparent etching efficiencies, in the range 37–77% relative to muscovite mica, have been found in some planes than would seem reasonable from critical angle considerations.
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