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Mesozoic Stratigraphy Of The Santa Rita Mountains Southeast Of Tucson Arizona

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Mesozoic Stratigraphy Of The Santa Rita Mountains Southeast Of Tucson Arizona

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Author : Harald Drewes
language : en
Publisher:
Release Date : 1971

Mesozoic Stratigraphy Of The Santa Rita Mountains Southeast Of Tucson Arizona written by Harald Drewes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Geology categories.

Additional title page description: A description of seven thick sequences of volcanic and sedimentary rocks and an interpretation of the sporadically active continental environments in which they were deposited.

New And Revised Stratigraphic Names In The Santa Rita Mountains Of Southeastern Arizona

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Author : Harald Drewes
language : en
Publisher:
Release Date : 1968

New And Revised Stratigraphic Names In The Santa Rita Mountains Of Southeastern Arizona written by Harald Drewes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Geology categories.

Recent work provides the basis for establishing a stratigraphic column in the Santa Rita Mountains of Santa Cruz and Pima Counties of southeastern Arizona. Thirteen formations of this column are here defined and one is revised. One new formation is a Precambrian granodiorite. Ten new formations are Mesozoic units that include plutonic, volcanic, and continental sedimentary rocks. The revised formation is the Upper Cretaceous Fort Crittenden Formation of Stoyanow (1949), dominantly a sedimentary unit. Two new formations are volcanic and sedimentary rocks of Tertiary age. Many radiometric dates supplement the sparse fossil record in corroborating or redefining the ages that had been assigned to many units on the basis of their geologic relations and in establishing the ages of other units.

Structural Geology Of The Santa Rita Mountains Southeast Of Tucson Arizona

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Author : Harald Drewes
language : en
Publisher:
Release Date : 1972

Structural Geology Of The Santa Rita Mountains Southeast Of Tucson Arizona written by Harald Drewes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Geology categories.

Additional title page description: A description of the abundant and locally complex systems of faults, folds, and structurally controlled intrusives and an analysis of their development.

Geochemical Reconnaissance Of The Santa Rita Mountains Southeast Of Tucson Arizona

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Author : Harald Drewes
language : en
Publisher:
Release Date : 1973

Geochemical Reconnaissance Of The Santa Rita Mountains Southeast Of Tucson Arizona written by Harald Drewes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Geochemical prospecting categories.

Trace elements in alluvium and altered rock, recognized by geologic investigation previously reported, indicate some areas of potential economic interest along faults or near ore-associated intrusives.