2 edition of The origin of colemanite deposits found in the catalog.
The origin of colemanite deposits
Hoyt S. Gale
Includes bibliographical footnotes and index.
|Statement||by Hoyt S. Gale.|
|Series||Geological Survey professional paper -- 85-A, Shorter contributions to general geology -- 1913, Shorter contributions to general geology|
|The Physical Object|
|Pagination||iii, 9 p. ;|
COLEMANITE, a hydrous calcium borate, Ca 2 B 6 O 11 + 5H 2 O, found in California as brilliant monoclinic crystals. It contains % of boron trioxide, and is an important source of commercial borates and boracic acid. 17 Dr. John K. Sukow discovered the initial deposit of colemanite here while drilling for water for a ranch in Top image: Alexis Arnold, “San Francisco Phone Book,” from her " Crystallized Books Author: Kim Stringfellow.
These extensive and pure deposits would probably have remained undeveloped if not for the discovery in of more colemanite ledges in the Calico Mountains 12 northeast of the railroad at Daggett in San Bernardino County. Because of their proximity to the railroad these deposits posed a serious threat to Coleman’s Death Valley business. We have analyzed the boron isotope composition of 80 borate minerals (major minerals: borax, colemanite, and ulexite; minor minerals: veatchite-A, tunellite, kernite, terrugite, probertite, meyer-hofferite, inderite, inyoite, hydroboracite, howlite, and pandermite) from the main deposits (Kirka, Bigadiç, and Emet) and two smaller deposits (Kestelek and Sultançayir) in the western Turkish Cited by:
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Additional Physical Format: Online version: Gale, Hoyt S. (Hoyt Stoddard), Origin of colemanite deposits (OCoLC) Material Type: Government publication, National government publication.
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Named in in honor of William Tell Coleman (29 FebruaryCynthiana, Kentucky, USA - 22 NovemberSan Fransico, California, USA), a founder of the California borax industry and owner of the mine where the mineral was first found.
The mix of boron and borax form mineral deposits of colemanite. It was named after William T. Coleman (), the owner of the mine where it was found.
Retrieved from " ?oldid= ". Colemanite, borate mineral, hydrated calcium borate (Ca 2 B 6 O 1 1 5H 2 O) that was the principal source of borax until the s. It typically occurs as colourless, brilliant crystals and masses in Paleogene and Neogene sediments (those formed to million years ago), where it has been derived from ulexite and borax.
The chief localities are the Kramer district, Death Valley, and. It features modern theories on the origin of borate deposits, their molecular structure and detailed descriptions of the world's borate deposits.
Garrett describes the fascinating history of the discovery and development of borate deposits with anecdotes of how resourceful operators overcame obstacles in obtaining their minerals.4/5(2). Colemanite or (CaB3O4(OH)3H2O) is a borate mineral found in evaporite deposits of alkaline lacustrine environments.
Colemanite is a secondary mineral that forms by alteration of borax and ulexite. It was first described in for an occurrence near Furnace Creek in Death Valley and was named after William Tell Coleman, owner of the mine "Harmony Borax Works" where it was first found.
At the time, Coleman Category: Inoborates. Volume 16 complete / / The Limestone Ores of Manhattan, Nevada; The Origin of Colemanite Deposits, California; The Almaden Quicksilver Mine, California; Notes on Textures and Relationships in the Globe Copper Ores, Arizona; A Contact Metamorphic Iron-Ore Deposit near Fairview, New Mexico; Economic Geology of the Ophir Mining District, Utah.
World's oldest commercial borate deposits are in Puga, Kashmir, India. Studies by the Royal Society of London identified hot lakes in Nepal that crystallize borax near their edges and from which borax could be harvested in a pure form.
The world's largest reserves of borates occur in western Turkey. Geochemistry of Kestelek colemanite deposit, Bursa, Turkey Article in Journal of Earth Science 28(1) May with Reads How we measure 'reads'.
COLEMANITE. HISTORY, NAME, LOCALITIES: Colemanite, pronounced COLE-man-ite, was identified as a new mineral species in and named for William Tell Coleman, an American merchant and borax miner of the period.
Colemanite is collected in Chile, Turkey, Argentina, and the United States (California, Nevada). The origin of colemanite deposits by Hoyt S.
Gale 1 edition - first published in The deposit was acquired by the Sterling Borax Company, a consolidation of borax interests including Stauffer Chemical Company’s Frazier Borate Mining Company, American Borax Company (boric acid works at Daggett), Brighton Chemical company (refinery in Pennsylvania), and Thomas Thorkildsen and Company (refinery in Chicago).
The origin of borate deposits is related to Cenozoic volcanism, thermal spring activity, closed basins and arid climate. Borax is the major commercial source of boron, with major supplies coming from Turkey.
Colemanite is the main calcium borate Author: Cahit Helvacı. Name Origin: After William T. Coleman, owner of the Death Valley, California mine where this species was first found. Name Pronunciation: Colemanite + Pronunciation: Synonym: ICSD Neocolmanite: PDF Colemanite Image: Images.
processes leading to RNA took place. Although the oldest reported colemanite and ulexite are Ma, and the oldest reported kernite, 19 Ma, boron isotope data and geologic context are consistent with an evaporitic borate precursor to Ma borate deposits in theCited by: Borate Minerals and Origin of the RNA World.
notably colemanite, ulexite, and kernite, has been proposed as one resolution to this difficulty. David Deamer has written another book. Colemanite itself is an uncommon mineral worldwide, but is often found as a common component of borate deposits that developed in arid, alkaline, lacustrine environments usually in warm temperatures.
Localities for Colemanite include several in the United States, Canada, Mexico, Argentina, Kazakhstan, Serbia, Greece, and Turkey.Notes. Colemanite has been a popular natural source of insoluble boron for many decades.
It is similar to Ulexite in its oxide contribution to glazes (although the latter sources Na 2 O also). Frits are used as boron sources in industry whereas potters and smaller companies have used colemanite. Colemanite does not melt as low or as uniformly as Ulexite.major source of high grade colemanite.
The United States has important reserves in the Death Valley area, but only limited amounts are produced there at this time. Colemanite is not known to occur in major deposits outside Turkey and North America, although the .