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dc.contributor.authorSpencer, J.E.
dc.contributor.authorFerguson, C.A.
dc.contributor.authorRichard, S.M.
dc.contributor.authorYouberg, A.
dc.date.accessioned2018-11-13T23:25:34Z
dc.date.available2018-11-13T23:25:34Z
dc.date.issued2019
dc.identifier.citationSpencer, J.E., Ferguson, C.A., Richard, S.M., and Youberg, A., 2019, Geologic Map of the Esperanza Mill 7.5' Quadrangle, Pima County, Arizona: Arizona Geological Survey Digital Geologic Map DGM-33, version 2.0, map scale 1:24,000, 10 p., 1 map sheet and metadata.
dc.identifier.urihttp://hdl.handle.net/10150/630924
dc.descriptionThe Esperanza Mill 7 ½' Quadrangle is located approximately 40 km south-southwest of downtown Tucson, and is on the southeast flank of the Sierrita Mountains. The quadrangle encompasses the eastern edge of the Esperanza ore body, which is now mined from within a single large open pit that encompasses both the Sierrita and Esperanza ore bodies. It also encompasses bedrock hills on the southeastern flank of the Sierrita Mountains, extensive piedmont alluvial deposits, Santa Cruz River deposits, and extensive mine tailings from the Sierrita-Esperanza mine. Bedrock in the area was mapped during December 2002 to May 2003. Quaternary deposits, mapped earlier by Pearthree and Youberg (2000), were the target of mapping in specific areas that were considered to be incompletely understood. In addition, all of the Quaternary deposits were evaluated and in part reinterpreted based on aerial photograph interpretation. All of this mapping was done as part of a multiyear mapping program directed at producing complete geologic map coverage for the Phoenix-Tucson metropolitan corridor. This map is one of four 1:24,000 scale geologic maps that cover most of the Sierrita Mountains and that were produced for this study. This mapping was done under the joint State-Federal STATEMAP program, as specified in the National Geologic Mapping Act of 1992. Mapping was jointly funded by the Arizona Geological Survey and the U.S. Geological Survey under STATEMAP Program Contract #02HQAG0016.
dc.language.isoen
dc.publisherArizona Geological Survey (Tucson, AZ)
dc.relation.ispartofseriesDGM-33
dc.relation.urlhttp://repository.azgs.az.gov/uri_gin/azgs/dlio/550
dc.rightsArizona Geological Survey. All rights reserved.
dc.subjectArizona Geological Survey Digital Geologic Maps
dc.subjectSierrita-Esperanza mine
dc.subjectSierrita Mountains
dc.subjectArizona
dc.subjectPima County
dc.subjectEsperanza Mill
dc.subjectNational Geologic Mapping Act
dc.subjectSTATEMAP program
dc.subjectquaternary deposits
dc.subjectextensive mine tailings
dc.subjectSanta Cruz River deposits
dc.subjectalluvial deposits
dc.subjectore bodies
dc.subjectbedrock geology
dc.subjectsurficial geology
dc.subjectgeomorphology
dc.subjectGeology
dc.subjectPleistocene
dc.subjectHolocene
dc.subjectJurassic
dc.subjectcretaceous
dc.subjectTertiary
dc.subjectLate Tertiary
dc.subjectQuaterary
dc.subjectquartzite
dc.subjectmafic volcanics
dc.subjectvolcanics
dc.subjectconglomerate
dc.subjectalluvium
dc.subjectpiedmont
dc.titleGeologic Map of the Esperanza Mill 7.5' Quadrangle, Pima County, Arizona, v. 2.0
csdgm.bounding.west-111.126
csdgm.bounding.east-111
csdgm.bounding.north31.875
csdgm.bounding.south31.75
dc.description.collectioninformationDocuments in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
refterms.dateFOA2018-11-13T23:25:34Z


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