Placer mining

Results: 604



#Item
301Placer deposit / Placer / Gold placer claim / General Mining Act / Mining / Economic geology / Surface mining

United States Department of the Interior

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Source URL: www.blm.gov

Language: English - Date: 2011-12-07 13:50:18
302Placer mining / Gold mining in Alaska / Economic geology / Mining / Placer deposit

Alaska Resource Data File Bendeleben quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for a description of the information content of each fie

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Source URL: ardf.wr.usgs.gov

Language: English - Date: 2012-07-25 12:39:32
303Geology / Placer deposit / Copper / Placer mining / Skarn / Economic geology / Chemistry / Matter

Alaska Resource Data File Eagle quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for a description of the information content of each field in

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Source URL: ardf.wr.usgs.gov

Language: English - Date: 2012-07-25 12:38:39
304Manganese nodule / Ore / Mineral exploration / Heavy mineral sands ore deposits / Mining / Placer deposit / Continental shelf / Mineral resource classification / Economic geology / Geology / Science

NOAA TR ERL 238-~0ML 8 NOAA Technical Report ERL ·238-AOML 8 U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration Environmental Research Laboratories

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Source URL: www.aoml.noaa.gov

Language: English - Date: 2014-07-25 15:21:20
305Science / Mineral exploration / Ore / Greisen / Placer deposit / Brooks Range / Gangue / United States Geological Survey / Mining / Economic geology / Geology / Chemistry

U.S. Department of the Interior — U.S. Geological Survey Mount Michelson quadrangle This publication is one in the series, the Alaska Resource Data File (ARDF) of the U.S. Geological Survey (USGS). The ARDF is an info

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Source URL: ardf.wr.usgs.gov

Language: English - Date: 2012-07-25 12:39:32
306Surface mining / Hydraulic engineering / Geology / Placer mining / Placer deposit / Gold rush / Gravel / California Gold Rush / Hydraulic mining / Economic geology / Mining / Gold mining

PREPARATION EXERCISES 1. Review a mineral map of Idaho with the students. List where minerals are found and discuss their possible uses. 2. Read a story to the class about the early gold rush, describing what life

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Source URL: idahoptv.org

Language: English - Date: 2006-08-10 16:22:28
307Gold / Chemistry / Placer mining / Fineness / Mother lode / Ore / Mahd adh Dhahab / California Gold Rush / Gold mining in Alaska / Gold mining / Economic geology / Mining

As the Nation’s principal conservation agency, the Department of the Interior has responsibility for most of our nationally owned public lands and natural and cultural resources. This includes fostering sound use of ou

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Source URL: pubs.usgs.gov

Language: English - Date: 2001-07-31 15:52:08
308Gold / Western United States / Gold rush / Fortymile River / Hydraulic mining / Placer mining / Alaska / Gold mining in Alaska / Klondike Gold Rush / Mining / Gold mining / Surface mining

Valdez Creek quietly turns 100 Little-known mining area reaches centennial mark On August 15, 1903, a group of determined prospectors found gold in Valdez Creek, flowing west out of the Alaska Range mountains, about

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Source URL: www.blm.gov

Language: English - Date: 2014-09-09 11:00:41
309Chemistry / Economy of Alaska / Placer deposit / Placer mining / Gold mining / Pyrite / Yentna-Cache Creek mining district / Economic geology / Mining / Gold mining in Alaska

Alaska Resource Data File Big Delta quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for a description of the information content of each fiel

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Source URL: ardf.wr.usgs.gov

Language: English - Date: 2012-07-25 12:39:20
310Placer mining / Ore / Quartz / Mining / Gangue / Mineral / Natural resources / Crystallography / Economic geology / Geology / Placer deposit

Alaska Resource Data File Bering Glacier quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for a description of the information content of each

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Source URL: ardf.wr.usgs.gov

Language: English - Date: 2012-07-25 12:39:05
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