 | | Journal (article/letter/editorial) | | rakovajf@miamioh.edu Fluorapatite Acushnet Quarry Bristol County, Massachusetts N orth America has produced some...as the J. Keating Company stone quarry), Bristol County, Massachusetts. Rather than a granite pegmatite...variety of orthoclase, the pericline variety of albite, calcite, epidote, muscovite, quartz, titanite...Fluorapatite on albite with chlorite, 11.5 cm tall, Acushnet quarry, Bristol County, Massachusetts. Maine...quarry, and Old Bluestone quarry), Acushnet, Bristol County, Massachusetts (fig. 2). I drove to the north side |  | | Journal (issue) | | cavity. The only locality data was given as Blaine County, Idaho. The specimen was probably from the collection...1995), but found no location of ferberite in Blaine County. So I went Fig. 1 Ferberite showing twinning,... microcrystals, Corral Creek, Camas County, Idaho. Continued on page 9 Denver Shows of 2001 Continued...Ream Dennis Beals reports that the Fresnillo District, Mexico is not closed like I wrote last month, although...apophyllite (not of heulandite) from a new find in Custer County, Idaho. These pseudomorphs are quite spectacular |  | du Bray, Edward A., John, David A., Cousens, Brian L., Hayden, Leslie A., Vikre, Peter G. (2016) Geochemistry, petrologic evolution, and ore deposits of the Miocene Bodie Hills Volcanic Field, California and Nevada. American Mineralogist, 101 (3) 644-677 doi:10.2138/am-2016-5440 | Journal (article/letter/editorial) | | depleted, mantle sources. Neither age nor whole-rock compositions of BHVF rocks are well correlated with...resulted in large areas of altered but unmineralized rock. Keywords: Arc magmatism, geochemistry, petrogenesis...mineral deposits in the Bodie, Aurora, and Masonic mining districts (e.g., Hill 1915; Chesterman et al. 1986;...Carmichael 1996). John et al. (2015) compiled a new geologic map of the Bodie Hills from existing data...and refined geologic relations based on extensive new fieldwork and geochronology. Geophysical studies |  | | Book | | BRYCE CANYON NATURAL HISTORY ASSOCIATION BRYClCANTON HATURAL HIIIORTAIIOCIAIIOH Second Edition revised...Bryce Canyon Natural History Association Utah Geological Association Publication 28 Bryce Canyon Natural...Natural History Association Bryce Canyon National Park Bryce Canyon, Utah 84717 v,rww.nps.gov / brca Utah...2003 by the Utah Geological Association and Bf) ce Canyon Natural History Association. All rights reserved...Books and Printing, Inc. Co\·er photograph: Bryce Canyon National Park John \\·agner, Jr., photographer |  | | Book (volume) | | Director The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter...GROUP. Green fluorite (121.39 ct), Westmoreland, New Hampshire; blue fluorite (132.12 ct), Illinois; square...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...established by Dr. George F. Kunz, of Tiffany & Company, New York City, whose famous Gems and Precious Stones | | | Book (volume) | | Director The Bowers Museurn of Cultural Art Santa Ana, California GEMSTONES OF EAST AFRICA by Peter C...GROUP. Green fluorite (121.39 et), Westmoreland, New Hampshire; blue fluorite (132.12 et), Illinois; sqmu·e...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...established by Dr. George F. Kunz, of Tiffany & Cornpany, New York City, whose farnous Gems and Precious Stones...taking place in older deposits and the discovery of new deposits in various places, especially in regard |  | | Report (issue) | | more than 90 percent carbonate (group FS), common-rock category: 7. Alaska................--.-...-..---...percent or more of the sample (group Hk), special-rock category, by State and group: 11. Idaho, Oregon...determined) is 50 percent or more of the sample, special-rock category; by State and group: 13. Alaska, Oregon...17-22. Analyses of samples other than clays, special-rock category; by States, type, and group: 17. Alaska............................. 21. Idaho, phosphate rock or nodules containing 21.1 percent or more PzOs |
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Rock Springs Canyon, Organ Mining District, Organ Mountains, Doña Ana County, New Mexico, USA