 | | Journal (article/letter/editorial) | | 98225, USA Department of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403, USA; macosta@uoregon...colorant for bright green fossil wood from Arizona, USA and Zimbabwe, Africa. Complex color patterns result...Arizona, USA, and red and green wood from the Eocene Clarno Formation at Hampton Butte, Oregon, USA. Other...Other specimens came from Nevada and Oregon, USA, and Zimbabwe and Madagascar, Africa. 2. Metallic Elements...mineralized with opal, chalcedony, or microcrystalline quartz. In pure form, these SiO2 polymorphs are colorless |  | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green...sapphire, star sapphire, star ruby, rutile, and quartz are gem stones that have been successfully synthesized |  | | Report (issue) | | _ Moqui Member ____________________________ _ Holbrook Member _________________________ _ Undifferentiated...Sandstone and coarse siltstone _________ ----------Quartz and siliceous matetiaL _______ --- _----Feldsp...Representative thicknesses of Wupatki, Moqui, and Holbrook Members of Moenkopi Formation in Arizona____ 5...reference indicates the source is unpublished.] County Number (loc. No. onpk Source of data Locality...35°10'40" ~------ *P.R. Stevens and C. A. Repenning. Holbrook; sec. 18, T. 17 N., R. 21 E., GSR~---------------- |  | | Journal (article/letter/editorial) | | I00-110 ßNICKEL OCCURRENCES SALINE PHILIP IN COUNTY, SOAPSTONE DEPOSITS ARKANSAS J. STERLING AND...an area 15 miles west of Little Rock in Saline County, Arkansas. The nickel occurs in sulfides in talc-carbonate...rocksexposedin the soapstone pits of northern Saline County (Fig. 1) that were suggestiveof nickel mineralization...Severalbrief reportshave beenwritten on the Saline County soapstonedeposits,and althoughDaw (7) recognized...study and furnishedhelpful advice. Mr. Drew F. Holbrook of the ArkansasGeologicaland Conservation Commission |  | | Journal (article/letter/editorial) | | headquarters, now the site of the home of Will Holbrook, who was an employe of the ruby company and caretaker...help. A good place to start would be with Mr. Holbrook, who has lived all his life in the valley, enjoys...is roughly 6 miles north of Franklin, county seat of Macon County, N. C , on the highway to Bryson City...ahead east to the second crossing to the left. The Holbrook house sits up on a sharp little knoll to the right...ample turning space at the top in front of the Holbrook garage. Rubies Occur in Gravel Beds Overlaid By |  | | Book | | 22092 573-308-3500 703-648-6045 or phone 800-USA-MAPS Map 3. Arkansas’ Ouachita Mountains 7.5 Minute...Arkansas Quartz Crystal Deposits Special Quartz Types..................... Location 1 Montgomery County quartz...deposits................. Other Montgomery County quartz mines.......... Crystal Vista collecting area....... 2 Garland County quartz deposits......................... Miller Mountain Quartz Mine................ Ron Coleman Quartz Mine................................... Saline County quartz deposits........ |  | | Other Paper | | MAGNET COVE, HOT SPRING COUNTY, ARKANSAS: COLLECTOR AND PROFESSIONAL OBSERVATIONS, STORIES AND PHOTOGRAPHS...and J. Michael Howard MAGNET COVE, HOT SPRING COUNTY, ARKANSAS: COLLECTOR AND PROFESSIONAL OBSERVATIONS...49 Part 2 – Minerals of Magnet Cove, Hot Spring County, Arkansas and Vicinity……………………..... 49 Part 3...1829, Hot Spring County was much larger than present day, and Hot Springs was the county seat. When Garland...Garland County was formed in 1873, it included the town of Hot Springs, and Hot Spring County was much reduced |  | | Book | | The Warren (Bisbee) Mining District Cochise County, Arizona Ralph J. Stegen Ernest Wright Donald G....to the Warren (Bisbee) Mining District Cochise County, Arizona Ralph J. Stegen, Phelps Dodge Exploration... Valley fill UNCONFORMITY « a: w Intrusive quartz iatite porphyry I- Includes gneissic granite...Schist Dominantly drab muscovite, chlorite, and quartz schist Contact UNCONFORMITY " ~ « Dashed where...pink when weathered. These rocks are quartz-muscovite and quartz-sericite schist and phyllite. The schist |  | | Report (issue) | | The Warren (Bisbee) Mining District Cochise County, Arizona Ralph J. Stegen Ernest Wright Donald G....to the Warren (Bisbee) Mining District Cochise County, Arizona Ralph J. Stegen, Phelps Dodge Exploration... Valley fill UNCONFORMITY « a: w Intrusive quartz iatite porphyry I- Includes gneissic granite...Schist Dominantly drab muscovite, chlorite, and quartz schist Contact UNCONFORMITY " ~ « Dashed where...pink when weathered. These rocks are quartz-muscovite and quartz-sericite schist and phyllite. The schist |  | | Catalog/List | | tube of fragment. &12. 2. 3. Austell, Cornwall. quartz/mica matrix. .IPATITE. Gunhaath Pit, St. blue...Just, Cornwall. Three transluænt tel'ldnated quartz xls intergrown in parallel growth forming one conp:...off-white 15mn. 150x80x20ntn. t22. Flat massive quartz matrix hexagonal xls of calcite to CASSITERITE...arca of h2matite stained killas showing about 50% quartz. ano. 500/4cassi ter i te as shining blac!c 14...Polzeath; Cornwall. Brown limonite stained quartz matrix, the top of uhich .has off-,1hite intergrevm |  | | Report (volume) | | Geodes______________________________ 51 Secondary quartz on joint faces______________ Veinlets of zeolite_______________...quarries and their product Continued. Litchfiekl County Continued. Page. Warren _______________________...Comstock prospect ____________ ____ 76 Middlesex County-_ _______ 70 Middietowu_______________1___________...76 Ben venue quarries____________ _ 76 New Haven County - __________ 78 Ansouia _______________________...Waterford quarry________________________ Tolland County ________________________________ Bolton_______ |  | | Journal (issue) | | Boulder Bec!ch on Lake Mead. Nevad~ The Clark County Gem Collectors, Inc. (Paul 0 . Drury, Publicity...deep in the woods, we came across a vein of gray quartz about eighteen inches wide. It was faulted and...places and a shaft was dug parallel to it. A pile of quartz and waste rock surrounded the opening of the pit...However, there were the usual sulfides present in the quartz and in the walirock. I collected some pyrite, galena...geologists, pointed out to me an excellent example of a quartz vein which had been offset laterally by faulting |  | | Catalog/List | | Twinned Chiastolite from Meteorites — Quartz Crystals. Massachusetts. The Canyon Diablo The Pallas Iron...$2.00. A REMARKABLY LARGE A number of small quartz the showing in 1122 are as striated stepped...apparent, and rare QUARTZ CRYSTAL. twinning. is not at all uncommon, but quartz re-entrant twins...plane were was figure III. PLATE CRYSTAL. QUARTZ TWIN ED JAP NES of the smaller flattened, ...cleavage planes. Recently an extraordinarily large quartz twin was received from The larger figure is Japan |  | | Journal (issue) | | .. 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ........... ................. 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona ............................. ..........531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................. .. .. ....Jones Fluorite from the Oatman District, Mohave County, Arizona ............. .... ..... 569 M. Hay &...& D. Morris The Bagdad Mine, Yavapai County, Arizona ............. .................................. |  | | Catalog/List | | Fairfield County, Branchville White xlline with cymatolite, good study ... New Mexico Taos County, near Dixon...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite...aggregates in magnetite with stilpnomelane, penninite, quartz ... HASTINGSITE Iran calcium sodium potassium alumino-silicate |  | | Journal (issue) | | on Barite 5.1 cm, from the Rowley mine, Maricopa County, Arizona. Dick Morris collection; Jeff Scovil photo...traveled all the way from Philadelphia to Yuma County in order to gather more wulfenite and vanadinite...1939 to investigate tbe Hilltop mine in Cochise County. No one knows what attracted him there, but he...frorn the Magma rnine; azurite, malachite and drusy quartz on chrysocolla from the Globe-Miami area; cuprite...cm, from the Christmas Eve Pocket, 79 mine, Gila County, Arizona (self-collected). Malcolm Alter photo |  | | Journal (article/letter/editorial) | | NEW MINERAL FROM THE BARITE DEPOSIT IN HOT SPRING COUNTY, ARKANSAS Fnrrrnrcs Lrrruenw,l Mineralogische...Spring County, Arkansas, where it occurs in veins within the barite body associated with milky quartz, barite...attention to the mineral. IurnonucrroN In Hot Spring County, Arkansas, abofi 2l miles ENE of the igneous complex...geology of the region is summarized by Fryklund and Holbrook (1eso). The barite rock is fine-grained and...carbonate, benstonite, is found. It is associated with milky qvartz, barite and calcite. 1 Present address: Grabbeplatz |  | | Journal (article/letter/editorial) | | MINERALS Figure 1. Wulfenite, Defiance mine, Cochise County. Les and Paula Presmyk specimen, 6 cm wide; Jeff...Figure(s) Defiance mine, Turquoise district, Cochise County Bideaux (1972b) Roe (1980) Thompson (1980) Bideaux...Gila County Smith (1995) Moore (2016) 18–20 Glove mine, Tyndall district, Santa Cruz County Bideaux...21–30 Hilltop mine, California district, Cochise County Arem (1972) Miller and Wilson (1983) Bideaux (1990)... Anthony mine (Tiger), Mammoth district, Pinal County Bideaux (1980) Bideaux (1990) Presmyk (2008) Moore |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...Andreasberg Rich gray botryoidal aggregates in quartz ...... ALLOPHANE Hydrous aluminum silicate Seain...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline |  | | Journal (issue) | | Show FIELD TRIP: www.rockngem.com Diamond Hill Quartz Winter Rockhounding in South Carolina RG_RED_cover_0914...sense FIELD TRIP by Steve Voynick Diamond Hill Quartz ................................. 52 Underground...Mineral and Fossil Show; 500 Earth Sciences; Hancock County 4-H Fairgrounds; 620 N. Apple; Fri. 10-7, Sat....www.pre historicstore.com 13-14—NORTH ADAMS, MASSACHUSETTS: Annual show; Northern Berkshire Mineral Club;...specimen from the Hansonburg district (Socorro County, New Mexico). brain, nervous system, liver and |  | | Journal (issue) | | operated for so long. Areas in the Southwest, Czar, Holbrook, and other mines were being exploited by low-overhead...In some areas, notably those near the Czar and Holbrook mines, the rocks were so soft and plastic that...20. This electric trolley was introduced at the Holbrook mine in 1909; it is now on display in front of...Sacramento open pits, as shown in Figure 26. The Holbrook shaft buildings are in the foreground. Dallas...in 1892. In 1900, when workings from the nearby Holbrook reached the ores developed by the Goddard, it |  | | Book (volume) | | Delaware, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...the heading of Arizona, on the map of Maricopa County, the site x How to Use This Book indicated...1700’. Agate, fire. Chalcedony: white, pink; roses. Quartz, rock: crystals; many mediocre, some fine; many |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...Stones ofNorth America. He lists garnet, olivine, quartz, turquoise, azurite, malachite, and petrified wood...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered |  | Stewart, John Harris, Poole, Forrest Graham, Wilson, Richard Farifield, Cadigan, R.A., Thordarson, William, Albee, H.F. (1972) Stratigraphy and Origin of the Chinle Formation and Related Upper Triassic Strata in the Colorado Plateau Region. Professional Paper 690. US Geological Survey doi:10.3133/pp690 | Report (issue) | | conglomerate.......................................... Quartz and other siliceous components...................showing regional differences in the proportions of quartz, quartzite, and chert pebbles in the Shinarump...Isopleth map of maximum sizes of pebbles to boulders (quartz, quartzite, and chert) in the Shinarump, Agua Zarca...Isopleth map of maximum sizes of pebbles and cobbles (quartz, quartzite, and chert) and percentage of quartzite...Isopleth map of maximum sizes of pebbles to cobbles (quartz, quartzite, and chert) from the Sonsela Sandstone |  | | 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 |
|
