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Hydrothermal minerology of research drill hole Y-3, Yellowstone National Park, Wyoming

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Abstract

The approximate paragenetic sequence of hydrothermal minerals in the Y-3 U. S. Geological Survey research diamond-drill hole in Lower Geyser Basin, Yellowstone National Park, Wyoming, is: hydrothermal chalcedony, hematite, pyrite, quartz, clay minerals (smectite and mixed-layer illite-smectite), calcite, chlorite, fluorite, pyrite, quartz, zeolite minerals (analcime, dachiardite, laumontite, stilbite, and yugawaralite), and clay minerals (smectite and mixed-layer illite-smectite). A few hydrothermal minerals that were identified in drill core Y-3 (lepidolite, aegirine, pectolite, and truscottite) are rarely found in modern geothermal areas. The alteration minerals occur primarily as vug and fracture fillings that were deposited from cooling thermal water. Refs.

Suggested Citation

Bargar, K.E., Beeson, M.H., 1984, Hydrothermal minerology of research drill hole Y-3, Yellowstone National Park, Wyoming, in Transactions - Geothermal Resources Council, v. 8, Reno, NV, USA, p. 111-117.

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Publication type Conference Paper
Publication Subtype Conference Paper
Title Hydrothermal minerology of research drill hole Y-3, Yellowstone National Park, Wyoming
Volume 8
Year Published 1984
Language English
Publisher Geothermal Resources Council
Publisher location Davis, CA, USA
Description 7 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Transactions - Geothermal Resources Council
First page 111
Last page 117
Conference Title Geothermal Energy: Bet on It! Geothermal Resources Council 1984 Annual Meeting
Conference Location Reno, NV, USA
Country United States
State Wyoming
Other Geospatial Yellowstone National Park
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