Uranium in Fluorite, a Case Study: The La Azul Fluorspar Deposit …
Teresa Pi Puig et al. provide a detailed study to introduce the uranium forms in fluorite by a case study in the La Azul fluorspar deposit in Mexico. Bulk uranium concentrations, uranium distribution patterns, and mineral occurrences have been systematically illustrated, providing interesting and useful information for the …
(PDF) STUDY OF INDIGENOUS FLUORSPAR AS …
The study involved the use of: marble waste, fluorspar, lime, and hot metal. Four mixtures were made and added to a liquid hot metal - with known chemical composition - at a temperature of 1450ºC.
FLUORSPAR DEPOSITS
a paper entitled " Fluorspar Deposits of Southern Illinois," by H. Foster Bain, and to recommend that it be published as a bulletin. This paper embodies the results obtained in a detailed study of the fluorspar deposits of this important district, the study having been undertaken in connection with the investigation of the lead and zinc
Fluorspar deposits of Utah
The studies of fluorspar localities in Utah made by the U. S. Geological Survey during and since the recent war are summarized. The fluorspar at the Cougar Spar and Blue Bell mines in the Indian Peak Range of western Beaver County occurs as fissure veins in fault and breccia zones in volcanic and intrusive rocks. At the Monarch (Staats) claims in west …
Fluid-inclusion studies of the fluorspar and gold …
Fluid-inclusion studies of the fluorspar and gold deposits, Jamestown district, Colorado. March 4, 1973. The Jamestown district, Boulder County, Colorado, is a major producer of …
A fluid inclusion and trace element geochemical study of the …
The St. Lawrence Fluorspar Deposits, on Newfoundland's south coast, are vein-type deposits hosted by and genetically related to the Devonian St. Lawrence Granite. The alkaline to peralkaline granite was emplaced to high crustal levels in a post-tectonic, extensional regime that followed a major Silurian orogenic event. In the late stages of a …
Geologic characteristics of fluorspar deposits in the western …
A geologic study of fluorspar deposits in the Cordilleran region of the United States is presented in an effort to summarize mineralogical, structural and regional characteristics. Account is taken of the geochemistry of fluorine and comparison is made with fluorspar deposits in other areas.
Geology and Fluorspar Deposits, Big Four Fault …
A study of the Kentucky-Illinois fluorspar deposits was begun in 1942 by the TJ. S. Geological Survey because of the increased demand for fluorspar during World War II. Before a specific program for fieldwork was planned, the Kentucky-Illinois field was visited in June 1942 by L. W. Currier and James Steele Williams, of the U. S. Geo
Fluorine | U.S. Geological Survey
Fluorine compounds are essential in numerous chemical and manufacturing processes. Fluorspar is the commercial name for fluorite (isometric CaF2), which is the only fluorine mineral that is mined on a large scale. Fluorspar is used directly as a fluxing material and as an additive in different manufacturing processes. It is the source of …
Fluorite deposits in China: Geological features, metallogenic
China enjoyed continuously increasing identified reserves of fluorite resources in recent years. According to the statistics in the Summary of Reserves of China 's Mineral Resources in 2018 issued by the Ministry of Natural Resources of the People 's Republic of China, the identified reserves of fluorite resources (minerals, the same hereafter) in …
The Niederschlag fluorite-(barite) deposit, Erzgebirge …
the Kovarska deposit; the name Niederschlag deposit thus only refers to the vein on the German side. Inferred resources for the Niederschlag deposit were last reported by (Kuschka 2002) as ~1.15 Mt of fluorite and 0.56 Mt of barite. The shallowest portion of the Niederschlag vein system is also marked by the occurrence of five-element ...
Mine design of an underground fluorspar mine in Okorusu, Namibia
At Okorusu, Namibia, fluorspar has been mined with conventional open pit mining methods from 1955 until 2014 from a large scale metasomatic fluorspar deposit with seven identified orebodies. There ...
Application of cathodoluminescence microscopy to the study …
Cathodoluminescence microscopy (CLM) is uniquely applicable to the study of carbonatite-related fluorspar ore deposits. The mineralogy of the carbonatites, sodic and potassic fenites, marbles, quartzites and fluorite ores are readily determined and characterized. Calcite, dolomite, apatite and fluorite were deposited dominantly under …
Sulfur, fluorspar, magnesite, and aluminous chromite in …
Reports and analyses on elemental sulfur, fluorspar, magnesite, and aluminous chromite were reviewed for the purpose of identifying and categorizing the known deposits, and to indicate those which seem to merit further study on the basis of available information. General conclusions drawn from the study are: (1) Although aluminous chromite …
Fluorspar Deposits Near Meyers Cove Lemhi County, …
deposit near Meyers Cove that contains fluorite. The fluorspar deposits, discovered in 1942, were first described by A. L. Anderson (1943), who made a reconnaissance study of the area in July of that year. In September 1942 J. W. Taber made a pre liminary examination of the fluorspar deposits (U. S. Bur. Mines, 1943).
Uranium in Fluorite, a Case Study: The La Azul Fluorspar …
deposits around the world [9,39,40], and were the study objectives of this work. In the La Azul mineralization, several of these uranium-rich fluorites also contains H2S, which can be easily identified by its characteristic rotten egg smell, and methane, which was identified via mass spectrometry [39].
Fluorspar Deposits in Western Kentucky
study of the fluorspar deposits in the United States. This study has been carried on in many parts of the country in cooperation with geologists and engineers of State and Federal agencies and with local producers. Before planning a specific program for field work, the senior author accompanied by L. W. Currier, also of the Geological Survey, ...
General Features of Colorado Fluorspar Deposits
GENERAL FEATURES OF COLORADO FLUORSPAR DEPOSITS . 267 . of the fluorspar deposits of the United States. As part of this program, several Survey geologists have examined or reexamin ed fluorspar properties in Colorado. The principal investigations have been by E. N. Goddard, who had previously (1930-33)
King River soars on news of high-grade fluorspar deposit
The new estimate for King River's Windsor prospect in W.A is 27.2 million tonnes at 9.5% fluorspar, including a high-grade core of 6.7 million tonnes at 24.6% fluorspar. King River's history with Windsor goes back a decade, when it was one of the foundation assets in the 2008 IPO of the company, then known as NiPlats.
Geology and fluorspar deposits, Northgate district, …
The largest deposits of fluorspar in the Northgate district occur along the late Tertiary (?) faults on Pinkham Mountain. The fluorspar consists typically of botryoidal layers that …
Map showing fluorspar deposits in Colorado | U.S.
Map showing fluorspar deposits in Colorado. Increased fluorine consumption (U.S. Bureau of Mines, 1946-1971) coupled with limited proved reserves has stimulated extensive exploration for fluorine and intensive research into developing new sources of fluorine or substitutes. A summary of the distribution, geochemical and geologic environments ...
The lead, zinc, and fluorspar deposits of western Kentucky
Geography and distinctive characters. The fluorspar, lead, and zinc deposits that were the subject of the investigations reported in this paper are situated hi Livings ton, Crittenden, and Caldwell, and adjacent portions of Christian, Trigg, and Lyon counties, in western Kentucky, and in the counties immediately across the Ohio River, in the extreme …
Stable isotope constraints on the source of ore fluids for the …
Hicks Dome is comprised of coarse crystalline Mississippi Valley Type deposits at shallow levels and an enigmatic, fine-grained fluorite, rare earth elements, Y, high field strength elements, Be, and Ba rich deposit at deeper levels. Phyllosilicates from a lamprophyre dike and a breccia from two Hicks Dome drill cores were sampled to resolve …
Fluorspar deposits of Utah | U.S. Geological Survey
Fluorspar deposits of Utah. The studies of fluorspar localities in Utah made by the U. S. Geological Survey during and since the recent war are summarized. The fluorspar at the. County occurs as fissure veins in fault and breccia zones in volcanic and intrusive rocks. At the Monarch (Staats) claims in west-central Beaver County.
Tin, fluorspar: Tin One announces positive feasibility study …
The study has confirmed a life-of-mine of 14 years, with the potential to produce 90.4kt of tin in concentrate, 29kt of copper in concentrate and 2,051kt of fluorspar in concentrate.
Fluorine, fluorite, and fluorspar in central Colorado
It also draws upon field studies of fluorine-rich mineral deposits, including fluorspar deposits, to decipher the nearly two-billion-year-long geologic history of fluorine in the study area, with implications for mineral-resource evaluations and exploration. ... In the fluorspar deposits, fluorine contents were as high as 37 percent. Some ...
Fluorspar deposits in western Kentucky | U.S. Geological Survey
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Geologic characteristics of fluorspar deposits in the western …
A geologic study of fluorspar deposits in the Cordilleran region of the United States is presented in an effort to summarize mineralogical, structural and regional characteristics. …
Uranium in Fluorite, a Case Study: The La Azul …
Fluorspar deposits generally do not contain uranium, but in some cases, fluorite can carry both uranium in solid solutions and inclusions of uranium minerals.
Fluorspar deposits of the Eagle Mountains, Trans-Pecos Texas
The Eagle Mountains are in the southeastern part of Hudspeth County, Tex., about 17 miles southwest of Van Horn and 100 miles southeast of El Paso, Tex. The fluorspar deposits are in the northern and northeastern parts of the mountains, except for the Rocky Ridge deposits, which are near the center of the mountainous mass. A good all-weather road …
