The Resource Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado, by Thomas A. Steven and James C. Ratté ; prepared in cooperation with the Colorado Metal Mining Fund Board

Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado, by Thomas A. Steven and James C. Ratté ; prepared in cooperation with the Colorado Metal Mining Fund Board

Label
Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado
Title
Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado
Statement of responsibility
by Thomas A. Steven and James C. Ratté ; prepared in cooperation with the Colorado Metal Mining Fund Board
Creator
Contributor
Subject
Language
eng
Member of
Cataloging source
U.S. Geol. Survey. Libr.
http://library.link/vocab/creatorDate
1917-2013
http://library.link/vocab/creatorName
Steven, Thomas A.
Government publication
federal national government publication
Illustrations
  • illustrations
  • maps
Index
index present
LC call number
QE75
LC item number
.P9 no. 343
Literary form
non fiction
Nature of contents
bibliography
http://library.link/vocab/relatedWorkOrContributorDate
1925-
http://library.link/vocab/relatedWorkOrContributorName
  • Ratté, James Clifford
  • Colorado State Metal Mining Fund
  • Geological Survey (U.S.)
Series statement
Geological Survey professional paper
Series volume
343
http://library.link/vocab/subjectName
  • Geology
  • Petrology
  • Ore deposits
  • San Juan Mountains (Colo. and N.M.)
Label
Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado, by Thomas A. Steven and James C. Ratté ; prepared in cooperation with the Colorado Metal Mining Fund Board
Instantiates
Publication
Note
Accompanied by 5 folded sheets in pocket
Bibliography note
Includes bibliographical references and index
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
  • Rocks
  • Rock classification and nomenclature
  • Conejos formation
  • Lithology
  • Petrography
  • Chemical composition
  • Fisher quartz latite
  • Lower member
  • Rhyodacitic lavas
  • Vitrophyre flow
  • Abstract
  • Pyroclastic rocks
  • Massive flows
  • Petrography
  • Quartz latitic lavas and intrusive rocks
  • Quartz latites east of Park Creek
  • Quartz latites underlying Cropsy Ridge
  • Quartz latites near South Mountain
  • Petrography
  • Upper member
  • Lavas capping Cropsy Peak and adjacent ridges
  • Introduction
  • Lavas underlying North Mountain
  • Lavas capping the ridge east of Park Creek
  • Possible upper Fisher dikes on South Mountain
  • Petrography
  • Chemical composition
  • Structure
  • Shield volcano(?) of Conejos age
  • Rhyodacitic flows and domes of early Fisher age
  • Structures underlying Cropsy Ridge
  • Quartz latite dome of South Mountain
  • Acknowledgments
  • Volcanoes of late Fisher age
  • Older volcano
  • Younger volcano
  • Faults
  • Fissures filled by quartz latite dikes
  • Early period of fault movement
  • Late period of fault movement
  • Altered and mineralized rocks
  • Rocks altered during Conejos time
  • Rocks altered during Fisher time
  • Geography
  • Limits and scope of alteration study
  • Structural setting
  • Description of altered rocks
  • Quartz-alunite zone
  • Distribution of rock types
  • Quartz-alunite rock
  • Vuggy quartz rock
  • Compact quartz rock
  • Primary ore deposits
  • Illite-kaolinite zone
  • History and production
  • Montmorillonite-chlorite zone
  • Supergene alteration
  • Chemical changes during rock alteration
  • Solfataric environment
  • Course of solfataric alteration at Summitville
  • Source of the sulfuric acid
  • Deposition of the ores
  • Economic geology
  • Vein zones
  • Tewksbury vein zone
  • Previous geologic investigations
  • Aztec-McDonald-Black Wonder vein zone
  • Hidden vein zone
  • Copper Hill-Esmond vein zone
  • Little Annie vein zone
  • Dexter (Odin) vein zone
  • Minor silicified pipes and vein zones
  • Distribution of metals in the ore
  • Vertical continuity
  • Other factors
  • Suggestions for prospecting
  • Scope and methods of investigations
  • Literature cited
  • Index
  • Geologic setting
Dimensions
30 cm
Extent
iv, 70 p.
Lccn
gs^60000292^
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
ill., maps
System control number
  • (OCoLC)3579086
  • (OCoLC)ocm03579086^
Label
Geology and ore deposits of the Summitville District, San Juan Mountains, Colorado, by Thomas A. Steven and James C. Ratté ; prepared in cooperation with the Colorado Metal Mining Fund Board
Publication
Note
Accompanied by 5 folded sheets in pocket
Bibliography note
Includes bibliographical references and index
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
  • Rocks
  • Rock classification and nomenclature
  • Conejos formation
  • Lithology
  • Petrography
  • Chemical composition
  • Fisher quartz latite
  • Lower member
  • Rhyodacitic lavas
  • Vitrophyre flow
  • Abstract
  • Pyroclastic rocks
  • Massive flows
  • Petrography
  • Quartz latitic lavas and intrusive rocks
  • Quartz latites east of Park Creek
  • Quartz latites underlying Cropsy Ridge
  • Quartz latites near South Mountain
  • Petrography
  • Upper member
  • Lavas capping Cropsy Peak and adjacent ridges
  • Introduction
  • Lavas underlying North Mountain
  • Lavas capping the ridge east of Park Creek
  • Possible upper Fisher dikes on South Mountain
  • Petrography
  • Chemical composition
  • Structure
  • Shield volcano(?) of Conejos age
  • Rhyodacitic flows and domes of early Fisher age
  • Structures underlying Cropsy Ridge
  • Quartz latite dome of South Mountain
  • Acknowledgments
  • Volcanoes of late Fisher age
  • Older volcano
  • Younger volcano
  • Faults
  • Fissures filled by quartz latite dikes
  • Early period of fault movement
  • Late period of fault movement
  • Altered and mineralized rocks
  • Rocks altered during Conejos time
  • Rocks altered during Fisher time
  • Geography
  • Limits and scope of alteration study
  • Structural setting
  • Description of altered rocks
  • Quartz-alunite zone
  • Distribution of rock types
  • Quartz-alunite rock
  • Vuggy quartz rock
  • Compact quartz rock
  • Primary ore deposits
  • Illite-kaolinite zone
  • History and production
  • Montmorillonite-chlorite zone
  • Supergene alteration
  • Chemical changes during rock alteration
  • Solfataric environment
  • Course of solfataric alteration at Summitville
  • Source of the sulfuric acid
  • Deposition of the ores
  • Economic geology
  • Vein zones
  • Tewksbury vein zone
  • Previous geologic investigations
  • Aztec-McDonald-Black Wonder vein zone
  • Hidden vein zone
  • Copper Hill-Esmond vein zone
  • Little Annie vein zone
  • Dexter (Odin) vein zone
  • Minor silicified pipes and vein zones
  • Distribution of metals in the ore
  • Vertical continuity
  • Other factors
  • Suggestions for prospecting
  • Scope and methods of investigations
  • Literature cited
  • Index
  • Geologic setting
Dimensions
30 cm
Extent
iv, 70 p.
Lccn
gs^60000292^
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
ill., maps
System control number
  • (OCoLC)3579086
  • (OCoLC)ocm03579086^

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