{"title":"A working hypothesis for Arizona's older Precambrian history","authors":"G. Gastil","doi":"10.56577/ffc-13.52","DOIUrl":null,"url":null,"abstract":"In Arizona, the Precambrian terrane is divided into \"Younger Precambrian\" (Apache group, Grand Canyon series) and \"Older Precambrian\" (everything else). The Younger Precambrian overlies the Older Precambrian with marked structural and metamorphic unconformity. To give an outline picture of the rocks we are concerned with, I will abstract the stratigraphy of the several areas where the rocks have been studied carefully. The strata] units are, in many cases, of unknown stratigraphic order. and","PeriodicalId":404584,"journal":{"name":"Mogollon Rim Region, East-Central Arizona","volume":"19 10","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mogollon Rim Region, East-Central Arizona","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56577/ffc-13.52","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In Arizona, the Precambrian terrane is divided into "Younger Precambrian" (Apache group, Grand Canyon series) and "Older Precambrian" (everything else). The Younger Precambrian overlies the Older Precambrian with marked structural and metamorphic unconformity. To give an outline picture of the rocks we are concerned with, I will abstract the stratigraphy of the several areas where the rocks have been studied carefully. The strata] units are, in many cases, of unknown stratigraphic order. and
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