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Guidebook of the Helena area, west-central Montana

Author: Richard B Berg; Ray Breuninger; Tobacco Root Geological Society. Field Conference
Publisher: Butte, Mont. : Montana Bureau of Mines and Geology, Montana College of Mineral Science and Technology, 1987.
Series: Special publication (Montana Bureau of Mines and Geology), 95.
Edition/Format:   Print book : Conference publication : State or province government publication : EnglishView all editions and formats
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Genre/Form: Guidebooks
Additional Physical Format: Online version:
Tobacco Root Geological Society. Field Conference (12th : 1987 : Helena, Mont.).
Guidebook of the Helena area, west-central Montana.
Butte, Mont. : Montana Bureau of Mines and Geology, Montana College of Mineral Science and Technology, 1987
(OCoLC)624723610
Material Type: Conference publication, Government publication, State or province government publication
Document Type: Book
All Authors / Contributors: Richard B Berg; Ray Breuninger; Tobacco Root Geological Society. Field Conference
OCLC Number: 19269435
Notes: Cover title: 1987 guidebook of the Helena area.
Description: iv, 64 pages : illustrations ; 28 cm.
Contents: Preface --
Road logs: --
Road Log No. 1: Economic geology of the greater Helena area --
Helena to Montana Tunnels mines, Lump Gulch, Grizzly Gulch, Fort Harrison and Marysville / John Herrin, Giles Walker, Charles V. Baltzer and Marvin Ratcliff --
Road Log No. 2: Sapphire deposits of the Missouri River near Helena, Montana / Michael C. Stickney --
Road Log No. 3: Quaternary geology and faulting of the Helena valley, Montana / Michael C. Stickney --
Road Log No. 4: Helena and the north border zone of the Boulder batholith, Montana / Ray H. Breuninger and John F. Childs --
Article: --
Historical development of Helena / John Herrin --
Abstracts: --
Quaternary geology and seismicity of the Helena valley, Montana / Michael C. Stickney --
Epithermal precious-metal systems associated with an Eocene cauldron: Lowland Creek volcanic field, southwestern Montana / Fess Foster --
The Groundhog mine, Argenta distridct, southwest Montana --
An auriferous replacement deposit / Elizabeth F. Brenner --
Gold mineralization related to emplacement of the Boulder batholith, Montana / Robert E. Derkey and Hiroharu Matsueda --
Sapphire deposits of the Helena, Montana area / Lester G. Zeihen --
Mineral occurrences of the Helena area / Giles Walker --
Geology, mineralization and mining history of the Drumlummon mine, Lewis and Clark County, Montana / Charles V. Baltzer --
A statistical model of mineral wealth in west-central Montana / Lynne R. Dickman --
Marine tongue in the middle Kootenai Formation north of Helena, Montana / Susan M. Vuke-Foster --
The transference of thrust motion in northwest Montana / Ralph L. Johnson.
Series Title: Special publication (Montana Bureau of Mines and Geology), 95.
Other Titles: 1987 guidebook of the Helena area
Responsibility: compiled by Richard B. Berg and Ray H. Breuninger ; prepared in cooperation with the Tobacco Root Geological Society, Twelfth Annual Field Conference, July 15-18, 1987.

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