Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | Undetermined |
| Veröffentlicht: |
Washington, DC
United States Gov. Print. Off.
1987
|
| Schriftenreihe: | Geological Survey <United States>: Geological Survey bulletin
1724,B |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 21 S. Kt.-Beil. |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804116118232629248 |
|---|---|
| adam_text | Chapter B
Mineral Resources of the
Blacktail Mountains
Wilderness Study Area,
Beaverhead County, Montana
QA-SOO
By R G TYSDAL, G K LEE,
J H HASSEMER, and W F HANNA
U S Geological Survey
J R BENHAM
U S Bureau of Mines
y
A
U S GEOLOGICAL SURVEY BULLETIN 1724
MINERAL RESOURCES WILDERNESS STUDY AREAS— nt lasinm
SOUTHWESTERN, MONTANA aMUE
CONTENTS
Summary 1
Introduction 3
Investigations by the U S Bureau of Mines 3
Investigations by the U S Geological Survey 3
Appraisal of identified resources 5
Mining and mineral exploration history 5
Quality and quantity of identified resources 5
Assessment of potential for mineral resources 5
Geology 5
Geologic setting 5
Description of rock units 8
Geochemistry 9
Analytical methods 9
Results of study 10
Geophysics 11
Methods 11
Regional geophysical setting 12
Discussion of anomalies 12
Mineral and energy resources 15
Fault-controlled mineral deposits 15
Other mineral resources 17
Energy resources 19
References cited 20
Appendix 23
PLATE
1 Map showing mineral resource potential and geology of the Blacktail Mountains
study area, Beaverhead County, Montana In pocket
FIGURES
1 Summary map showing mineral resource potential and identified resources in the
Blacktail Mountains study area, Beaverhead County, Montana 2
2 Index map showing location of the Blacktail Mountains study area, Beaverhead
County, Montana 4
3 Complete Bouguer gravity anomaly map and generalized geologic setting in the
vicinity of the Blacktail Mountains study area 16
4 Map showing aeromagnetic anomalies and generalized geologic setting in the vic
inity of the the Blacktail Mountains study area 18
TABLES
1 Mining claims and prospects in and adjacent to the Blacktail Mountains study
area, Beaverhead County, Montana 6
2 Semiquantitative spectrographic analyses of stream-sediment samples, Blacktail
Mountains study area, Beaverhead County, Montana 10
3 Semiquantitative spectrographic and chemical analyses of heavy-mineral concen
trate samples, Blacktail Mountains study area, Beaverhead County, Montana 12
4 Semiquantitative spectrographic and chemical analyses of rock samples, Blacktail
Mountains study area, Beaverhead County, Montana 14
VI Contents
|
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| publishDate | 1987 |
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| series | Geological Survey <United States>: Geological Survey bulletin |
| series2 | Geological Survey <United States>: Geological Survey bulletin |
| spelling | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana by R. G. Tysdal ... Washington, DC United States Gov. Print. Off. 1987 21 S. Kt.-Beil. txt rdacontent n rdamedia nc rdacarrier Geological Survey <United States>: Geological Survey bulletin 1724,B Lagerstätte (DE-588)4039443-8 gnd rswk-swf Blacktail Mountains Wilderness (DE-588)4212968-0 gnd rswk-swf Blacktail Mountains Wilderness (DE-588)4212968-0 g Lagerstätte (DE-588)4039443-8 s DE-604 Tysdal, Russell G. Sonstige oth Geological Survey <United States>: Geological Survey bulletin 1724,B (DE-604)BV002539394 1724,B HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=001073340&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana Geological Survey <United States>: Geological Survey bulletin Lagerstätte (DE-588)4039443-8 gnd |
| subject_GND | (DE-588)4039443-8 (DE-588)4212968-0 |
| title | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana |
| title_auth | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana |
| title_exact_search | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana |
| title_full | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana by R. G. Tysdal ... |
| title_fullStr | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana by R. G. Tysdal ... |
| title_full_unstemmed | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana by R. G. Tysdal ... |
| title_short | Mineral resources of the Blacktail Mountains wilderness study area, Beaverhead County, Montana |
| title_sort | mineral resources of the blacktail mountains wilderness study area beaverhead county montana |
| topic | Lagerstätte (DE-588)4039443-8 gnd |
| topic_facet | Lagerstätte Blacktail Mountains Wilderness |
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