 | | Journal (article/letter/editorial) | | Silica and Silicates (part two) GARNET GROUP The garnets form a group of closely related mineral species;...spessartite or is called an almandite-spessartite garnet. It is an interesting observation that most almandite...observation as yet. ALMANDITE, or iron-aluminum garnet, is an iron, aluminum silicate. Usually there is...Newlin, Pennsylvania; Upper Merryall and Haddam, Connecticut; Russell and Westfield, Massachusetts ; from...silicate. It is a rarer garnet than almandite or almandite-spessartite garnet. The most noted locality |  | | Report (volume) | | of: Studies, vol. 11, no. 4. Boulder, Colo. Connecticut Academy of Arts and Sciences: Transactions, vol...1-445; vol. 20, pp. 1-160. New Haven, Conn. Connecticut State Geological and Natural History Survey:...Bulletin, nos. 23-25. Hartford, Conn. Delaware County Institute of Science: Proceedings, vol. 7, no....Chicago, 111. West Virginia Geological Survey: County Reports, Logan and Mingo; Boone; Wyoming and McDowell...14. Ancient auriferous gravel channels of Sierra County, California: Am. Inst. Min. Eng., Trans., vol. |  | | Book | | Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges...made dramatically apparent to us as spectacular mountain ranges, erupting volcanoes, earthquakes and even...ofjust a few minerals; quartz and the feldspar group are the most abundant processes — called biominerals...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken... Topaz, Opal. IMPORTANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite and Cancrinite...Jadeite), Rhodonite, Idocrase (Vesuvianite), The Garnet Group. Quartz FAMILY GEMSTONES RarRE AND UnusuaL... . . . . . . . . . . . . . . . . . An opalized pine cone Cut and rough opals The Roebling opal An amazonite |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...crystal from Graves Mountain, approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right.......................................... 111 Garnet Group ................................................................................ 118 Axinite Group ......................................................................... 119 iii Page Axinite Group ............................................... |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...district-Aura district -Beaver district Black Mountain district Bootstrap district Burner district Burns...Dolly Varden district --Edgemont district---Elk Mountain district-----Elko district ' Ferber district -Ferguson...Creek district '-Huntington Creek district Island Mountain district. Ivanhoe district Jarbidge district-...Descriptions of mining districts continued Lime Mountain district Loray district Lucin district Merrimac |  | | Book (volume) | | amethyst (left, upper group) which measures about 25 mm (1 in.) across. TOP GROUP. Green fluorite (121... Maine; round brilliant red-orange spessartine garnet (16.62 ct), Ramona, California; deep red cushion...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...gold. The necklace is 45 cm (18 in.) long. BOTTOM GROUP. Deep, spinel red oligoclase feldspar (5.04 ct) | | | Book (volume) | | amethyst (left, upper group) which measures about 25 mm (I in.) across. TOP GROUP. Green fluorite (121... Maine; round brilliant red-orange spessartine garnet ( 16.62 et), Ramona, California; deep red cushion...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...gold. The necklace is 45 cm (18 in.) long. BOTTOM GROUP. Deep, spine! red oligoclase feldspar (5.04 et)...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |  | | Report (issue) | | Perce Counties __________ _ Idaho CountY-----------------Valley CountY-----------------Adams, Payette,...and Gem Counties ________________________ _ Boise County ___ --------------Ada, Owyhee, Elmore, and Custer..._____________ _ Spruce Pine district ____________ Madison County and Haywood County _____________________...monazite belt in the Piedmont province __ Stokes County and Surry County_ Wilkes, Alexander, Catawba, Caldwell...Rutherford County and Cleveland County __ --------------Lincoln County and Gaston County _____________________ |  | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |  | | Report (issue) | | commercial borates. Lawsonite, first found in Marin county in 1895, has proved to be of great petrographic...nickel telluride, melonite, found in Calaveras County in 1867. New minerals and new mineral this is ...characteristic constituents of the metamorphic rocks. Garnet is a conspicuous gneiss may be rich in chlorite...products. The gem-bearing pegmatites of San Diego County have aroused special masses, interest. Many ...short articles on California diamonds. A Amador County: few small stones have been picked up near the |  | | Book | | Appalachians as well as crystals such as staurolite or garnet, specimens such a s gold nuggets, a n d a n assortment...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its...W. E. Hidden. The rose-pink rhodo lite garnet of Macon County was discovered in the late 19th century |  | | Journal (issue) | | the U.S.A. 02 0 74470 02033 2 Made in the USA! by Barranca Diamond DIAMOND 7” TRIM SAW MK-1503...H Scan for Video Scan for Video MADE IN USA MADE IN USA Barranca Diamond Products • 1315 Storm Parkway... Best Prices Grit 6" 8" 60 12.95 16.95 Made in USA. 80, 100 11.95 15.95 Nickel Bond including & Wheels...Machine - 6 inch 895 00 complete Made in USA Our made in USA wheels will last you 3-4 times longer than...Rhodonite 34. Chrysocolla 35. Halite 36. Galena Garnet (in matrix) Calcite Fluorite Chalcopyrite Cornelian |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names.... a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...editor (e.g., on a map). Thus some basins and mountain ranges have coordinates in the Thesaurus, while |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...Branch Can Pari Canada, Parliament Conn G S Connecticut Geological and Natural History Survey Hawaiian...and engineering practice: Winslow, 89 Origin of mountain ranges: Le Conte, 93 Geology and revelation: Calvin...04b (J), 85 Physiographical geology of the Rocky Mountain Igneous rocks, study of: Iddings, 09a region in...Brunswick, progress of geological investi· Rocky Mountain region in Canada, geological gation in: Bailey |  | | Report (issue) | | Water-resource investigations Northeastern region Connecticut Delaware Illinois Indiana Maryland Michigan Minnesota...microform COST ___Continent Offshore Stratigraphic Test Group cps ___________________counts per second CPU __...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...more likely represents magnetic reversals in the group of dikes and sills that have been mapped in this...studies in the Sierra Ancha Wilderness Area, Gila County, Arizona Preliminary gravity results show several |  | | Report (volume) | | Water-resource investigations Northeastern region Connecticut Delaware Illinois Indiana Maryland Michigan Minnesota...microform COST ___Continent Offshore Stratigraphic Test Group cps ___________________counts per second CPU __...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...more likely represents magnetic reversals in the group of dikes and sills that have been mapped in this...studies in the Sierra Ancha Wilderness Area, Gila County, Arizona Preliminary gravity results show several |  | | Book (edition) | | Cruz County. Bandy collection. Jeff Kurtzeman. Cerussite on aurichalcite. 79 mine, Gila County. Wayne...Kurtzeman. Wulfenite on mottramite. 79 mine, Gila County. Wayne Thompson collection. Jeff Kurtzeman. Introduction...stalactite. Red Cloud mine, Trigo Mountains, Yuma County. Harvard University collection. Jeff Kurtzeman... Aurichalcite and hemimorphite. 79 mine, Gila County. Wayne Thompson collection. Jeff Kurtzeman. [3]...than is known at this writing. The largest single group of species newly reported here, however, was encountered | | | Book (edition) | | Cruz County. Bandy collection. Jeff Kurtzeman. Cerussite on aurichalcite. 79 mine, Gila County. Wayne...Kurtzeman. Wulfenite on mottramite. 79 mine, Gila County. Wayne Thompson collection. Jeff Kurtzeman. -...stalactite. Red Cloud mine. Trigo Mountains, Yuma County. Harvard University collection. Jeff Kurtzeman... Aurichalcite and hemimorphite. 79 mine, Gila County. Wayne Thompson collection. Jeff Kurtzeman. [3]...than is known at this writing. The largest single group of species newly reported here, however, was encountered |  | | Book | | Nevada and the Klarnath Mountains provinces. These mountain regions , together with the Basin Ranges and Mojave...sulfides, oxides, and so on. Within each major group the minerals are presented generally according to...species or group of species are reported by county of occurrence. Map 1-2 shows the county boundaries...boundaries and county names. When possible, locations of mines and other deposits are given in the following notation:...,o Map 1-2. Outline map of California showing county boundaries. __ _) 4 MINERALS OF CALIFORNIA |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...some species have been relegated to group names (e.g., monazite group); others have had element designations...the zeolite minerals, where chabazite is now a group name with five species who differ only in the major...International Mineralogical Association (IMA), changed to a group name, or renamed by changes in nomenclature as mineral...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue |  | | Book (edition) | | mine, Si/County, Arizona. Smithsonian Institution. Fornzer!y in...The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St. Anthony...Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll The Cameron... Apache County 435 Cochise County 436 Coconino County 437,438 Gila County 439 Graham County 440 Greenlee...Greenlee County 441 La Paz County 442 Maricopa County 443 Mohave County 444 Navajo County 445 Pima County | | | Book | | Nevada and the Klamath Mountains provinces. These mountain regions, together with the Basin Ranges and Mojave...sulfides, oxides, and so on. Within each major group the minerals are presented generally according...mineral species or group of species are reported by 1-2 shows the county boundaries and county names. When possible...within a township is illustrated by Figure 1-1. county of occurrence. Map *M. Fleischer’s 1980 Glossary...Map 1-2. Outline map of California showing county boundaries. 4 MINERALS OF CALIFORNIA R5W i |  | | Report (issue) | | been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...the Mojave Desert area and of Death Valley by a group of U.S. Geological Survey workers, with the collaboration...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely...of California, was soon able to assemble a small group of scientists who, in their ability and dedication | | | Book (edition) | | mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution. Formerly in...See Wena we & = ce *= a. ~ Ve Shiki a Per, pine ea : he ‘ H . ¥ Ls eo » 4 ty ae aL...Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St. Anthony Mine...Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S: The Cameron...Apache County — 435 Cochise County 436 Coconino County 437, 438 Gila County 439 Graham County Greenlee |
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