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Granite and granite pegmatite (2545 ± 30 Ma) intrude metasedimentary rock of the Miners Delight Formation in the western part of the greenstone belt. The South Pass pluton is a pegmatitic granite west of South Pass City, and the Sweetwater granite is a fine-to medium-grained leucocratic granite that occurs to the west of the South Pass pluton along the Sweetwater River and Lander Creek.
^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...
The Seminoe Mountains greenstone belt represents a fragment of an Archean greenstone terrane within the Wyoming craton.The greenstone belt was mapped by Hausel, [1] who identified significant gold anomalies at Bradley Peak in banded iron formation, quartz veins and in a large altered zone of metabasalts.
Nevada is the leading gold-producing state in the nation, in 2018 producing 5,581,160 troy ounces (173.6 tonnes), representing 78% of US gold and 5.0% of the world's production. Much of the gold in Nevada comes from large open pit mining and with heap leaching recovery.
[3] [4] Gold findings in the range during the 1890s sparked a short-lived gold rush that attracted thousands of prospectors. [5] The possibility of further discoveries renewed interest during the late 20th and early 21st centuries. [6] Much of the range lies within the Medicine Bow – Routt National Forest.
The U.S. Gold Corp. CK Gold Project is located in southeast Wyoming’s Silver Crown mining district. It encompasses 1,120 acres (about 2 square miles), providing the company near-term, low CapEx ...
Today, through historic preservation by the Bureau of Land Management and various university programs and courses, the ghost town at Miner's Delight stands as a testament to the passage of time, and provides historians with a peek at early Wyoming life and the gold mining culture. On the townsite are seventeen structures, including: seven ...
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