United States Geological Survey YearbookThe Survey, 1984 - Geology |
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... rock outcrops . INSIDE FRONT AND INSIDE BACK COVERS : Corresponding sections of 1 : 250,000 - scale topographic map of Las Vegas and Toiyabe National Forest areas . 2022 UNION PACIFIC Ca Ute 4038 Dike Siding R - 62 E 15 93 T 19 S 2000 8 ...
... rock outcrops . INSIDE FRONT AND INSIDE BACK COVERS : Corresponding sections of 1 : 250,000 - scale topographic map of Las Vegas and Toiyabe National Forest areas . 2022 UNION PACIFIC Ca Ute 4038 Dike Siding R - 62 E 15 93 T 19 S 2000 8 ...
Page 17
... rock . Historically , mining interest in the midcontinent region has centered on the near - surface sedimentary rocks ( lime- stones and dolomites ) , which contain deposits of lead and zinc and are called 1000 5000 100 ° W 5000 SØ OK ...
... rock . Historically , mining interest in the midcontinent region has centered on the near - surface sedimentary rocks ( lime- stones and dolomites ) , which contain deposits of lead and zinc and are called 1000 5000 100 ° W 5000 SØ OK ...
Page 18
... rocks near Hemlo , Ontario , have demonstrated the possible economic importance of the Precambrian rocks that underlie the midcontinent region . These rocks are similar to Precambrian basement rocks in Canada that contain , in addition ...
... rocks near Hemlo , Ontario , have demonstrated the possible economic importance of the Precambrian rocks that underlie the midcontinent region . These rocks are similar to Precambrian basement rocks in Canada that contain , in addition ...
Page 20
... rocks and stream sediments , and analysis of measurements from geophys- ical surveys and satellite imagery . By fiscal year 1984 , 175,000 square miles had been assessed under AMRAP , and 80,000 square miles under CUSMAP . Present plans ...
... rocks and stream sediments , and analysis of measurements from geophys- ical surveys and satellite imagery . By fiscal year 1984 , 175,000 square miles had been assessed under AMRAP , and 80,000 square miles under CUSMAP . Present plans ...
Page 21
... rock samples from the drill core were used to determine an intrinsic suite of trace elements that reflects the types of rocks in the geologic formations in the drill cores - dolomites , limestones , shales , Figure 2. Mineral - resource ...
... rock samples from the drill core were used to determine an intrinsic suite of trace elements that reflects the types of rocks in the geologic formations in the drill cores - dolomites , limestones , shales , Figure 2. Mineral - resource ...
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activities Alaska aquifer areas Assistant Bacillus cereus basins Bureau California cartographic cartographic data base City coal Columbia Glacier Commission contaminants Control Cooperative Denver Department of Public digital cartographic data digital data earthquake energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1984 flow fluid inclusions geographic geographic information systems Geologist geophysical ground water ground-water hazards High Plains hydrologic ical image map Information Systems investigations irrigation Lake land Landsat lava located Loki Patera major Management Mauna Loa million mineral deposits mineral resources models National Center National Mapping Division Office offshore Parkfield Parkfield earthquake potential production quadrangle radar Regional remote sensing River rocks San Andreas fault scientific sediment Service sewage sources square miles STOP studies sulfur surface Survey scientists Survey's techniques tion topographic maps trends U.S. Geological Survey Volcano Water Conservation District Water District zone