2 edition of Some occurrences of uranium and thorium in Montana. found in the catalog.
Some occurrences of uranium and thorium in Montana.
Leonard D. Jarrard
Written in English
Bibliography: p. 90.
|Series||Montana. Bureau of Mines and Geology. Miscellaneous contribution, no. 15|
|LC Classifications||TN490.T55 J3|
|The Physical Object|
|Pagination||iv, 90 p.|
|Number of Pages||90|
|LC Control Number||gs 57000214|
T his chapter contains a brief description of the wide variety of geological settings that host uranium deposits worldwide, and then a more specific description of known uranium occurrences in the Commonwealth of Virginia. This latter section also notes the exploration status and a first-order indication of the exploitation potential of existing uranium resources in Virginia. Uranium Thorium dating While radiocarbon dating is limited to about Uranium Thorium method is an alternative approach to extend the radiocarbon dating range to 1 y in time. uranium thorium.
Catalog Some thorium prospects, » Book» Some thorium prospects, Lemhi Pass area, Beaverhead County, Montana (Book) Author: Armstrong, Frank C. Contributors: Geological Survey (U.S.) United States. Defense Minerals Exploration Administration. Thorium. Uranium ores -- Montana -- Beaverhead County. Citations. APA Citation (style guide). reference: jarrard, l.d., , some occurrences of uranium and thorium in montana: mont. bureau of mines and geol. misc. contr. 15, p.
This is USGS Bulletin B, “Reconnaissance for Radioactive Minerals in Washington, Idaho, and Western Montana ” Published in , there can't be many of these around! This page book discusses numerous occurrences and deposits of uranium and thorium in this three-state Rating: % positive. Thorium is a radioactive element that can be used in a new generation of nuclear reactors as an alternative source of fuel for the generation of electricity. A thorium-based fuel cycle is more proliferation resistant than conventional uranium-based reactors though there is still a degree of risk.
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[Leonard D Jarrard] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Search for Contacts Search for a Library. Create lists, bibliographies and reviews: or Search WorldCat. Find items in libraries near you. IAEA / FORMATION OF URANIUM ORE DEPOSITS, Vienna,pb, pages, - 3 - $ Jarrard, L.
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Abstract. Significant deposits of thorium occur throughout an area 7 miles long and 4 miles wide in the Lemhi Pass area of south-western Montana and east-central Idaho.
A small deposit of thorium has also been recently exposed in the Duck Creek area of Broadwater County, Montana. In the Lemhi Pass area, the thorium mineral, thorite, is found in quantz-hematite veins that cut quantzites of the Belt series.
Lifetime of Thorium Resources • Presently economic Th resources: t Th. • A MW reactor needs t Th in 40 years. • Presently installed world nuclear capacity (using enriched uranium): MW.
• If these MW would be replaced totally by Th-operated reactors World demand would be ~ t Th. Page - Uranium is closely associated with chalcedony in both types of veins. This association suggests that all of the uranium in the area is of the same age. If so, some of the silver-lead veins must have been reopened during the period of chalcedony vein formation.
Wastes from the Mining and Milling of Uranium and Thorium Ores, published at the same time as the present book as Safety Series No The IAEA and ILO File Size: 3MB. EPA Facts about Thorium What is thorium. Thorium is a naturally occurring radioactive metal that is found at low levels in soil, rocks, water, plants, and animals.
Almost all naturally occurring thorium exists in the form of either radioactive isotope thorium, thorium, and thorium File Size: KB. Two thorium vein districts-the Lemhi Pass district of Montana-Idaho and the Wet Mountains area of Colorado (fig.
1)-dominate the known high-grade thorium reserves in the United States (table 2). thorium fuels in once-through nuclear fuel cycles, but in some projects closed thorium-uranium or thorium-plutonium fuel cycles are also considered.
Thorium fuel utilization, technical status and development needs were considered in detail by the INFCE Working Group 8 (). Some aspects of the thorium fuel cycle were considered at the. Nuclear Raw Materials: A Selected Bibliography United States.
Energy Research and Development Administration. Technical Information Center Full view - In many countries uranium and thorium are reported separately. In many countries uranium mining is regulated separately.
In some 'energy basins' U seen to occur with other energy fuels. Monazite contains % thorium, allanite has to 2% thorium and zircon can have up to % thorium. Thorium-containing minerals occur on all continents. Thorium is several times more abundant in Earth's crust than all isotopes of uranium combined and thorium is several hundred times more abundant than uranium Mindful of possible future limitations on the availability of uranium, the introduction of the thorium fuel cycle is potentially a complementary source of nuclear energy.
This publication assimilates current knowledge of thorium geology and mineralization into a brief account on the worldwide occurrence of thorium resources. Distribution of thorium and uranium in bauxites 12 Comparison of the thorium and uranium con¬ tents of some bauxites with their parent rocks 20 Thorium and uranium in Arkansas bauxite.
24 1) Weathering sequence 24 2) Drill core 29 Concentration of thorium and uranium during the processing of bauxite 35 Radioactivity of aluminum metal Major occurrences of interest to mineral collectors are arranged geographically, with maps showing the important deposits in uranium-producing countries.
With the resurgence of interest in nuclear power, this book will be invaluable to mineral collectors and exploration geologists as well as to nuclear scientists and engineers interested in radioactive deposits/5(10).
Reconnaissance for Radioactive Minerals in Washington, Idaho, and Western Montana By PAULL. WEIS, FRANK C. ARMSTRONG, and SAMUEL ROSENBLUM CONTRIBUTIONS TO THE GEOLOGY OF URANIUM GEOLOGICAL SURVEY BULLETIN B This report concerns work done on behalf of the U. Atomic Energy CommissionCited by: 3.
Summary of thorium, uranium, and potassium values for prebatholith and postbatholith volcanic rocks com pared with weighted average values for the Boulder batholith_____ ___ _____ 4.
Comparison of the thorium and uranium distribution between hydrothermaUy altered Butte Quartz MonzoniteCited by:.
the millions in subsidies thorium will require to become commercially viable would be better spent on solar, wind and other alternative energy sources.
Can Thorium Offer a Safer Nuclear Future? Thomas net by David Sims. Staff Writer Is thorium the great hope for a clean, viable and safe nuclear-fuel alternative to uranium, or is it. Key Difference – Thorium vs Uranium Both Thorium and Uranium are two chemical elements from actinide group, which have radioactive properties and function as energy sources in nuclear power plants; the key difference between Thorium and Uranium exists in their natural abundance.
Thorium is three times more abundant than Uranium in the Earth’s crust.This chapter contains a brief description of the wide variety of geological settings that host uranium deposits worldwide, and then a more specific description of known uranium occurrences in the Commonwealth of Virginia.
This latter section also notes the exploration status and a first-order indication of the exploitation potential of existing uranium resources in Virginia.