{"title":"Radioactive titaniferous heavy-mineral deposits in the San Juan Basin, New Mexico and Colorado","authors":"W. L. Chenoweth","doi":"10.56577/ffc-8.212","DOIUrl":null,"url":null,"abstract":"Upper cretaceous rocks of the San Juan Basin contain titaniferous sandstone deposits as significant as any in the Rocky Mountains. Ilmenite in the deposits is highly altered, and as a result of Fe leaching it contains an increase percentage of TiO/sub 2/. Most of the ilmenite is free from intergrowths with magnetite. Radioactivity, fluorescent zircon, and characteristic sedimentary environment aid in the recognition of new deposits. (J.E.D.)","PeriodicalId":277798,"journal":{"name":"Southwestern San Juan Mountains, Colorado","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1957-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Southwestern San Juan Mountains, Colorado","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56577/ffc-8.212","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
Upper cretaceous rocks of the San Juan Basin contain titaniferous sandstone deposits as significant as any in the Rocky Mountains. Ilmenite in the deposits is highly altered, and as a result of Fe leaching it contains an increase percentage of TiO/sub 2/. Most of the ilmenite is free from intergrowths with magnetite. Radioactivity, fluorescent zircon, and characteristic sedimentary environment aid in the recognition of new deposits. (J.E.D.)
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