 | | Report (volume) | | Florence Bascom, Bryn Mawr. Rhode Island.... .Prof. Charles W. Brown, Providence. South Carolina.. .Dr. Earle...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Report (volume) | | ........................................... Rhode Island...............................................University, South Bethlehem. Rhode Island__Prof. C. W. Brown, Providence. South Carolina__.Dr. Earle Sloan...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Report (issue) | | prospects of the Tyrone stock and vicinity, Grant County, New Mexico By D. C. Hedlund 1 Open-File Report....................................... Quartz-specularite veins..........................................prospects of the Tyrone stock and vicinity, Grant County, New Mexico.......................... in pocket...northeast-striking Laramide faults are the Osmer, Bismuth-Foster, Spar Hill, Beaumont, Burro Chief, Niagara, Bison-Thistle...into four categories: quartz-pyrite, quartz-specularite, high-silver and lead-silver, and turquoise. |  | | Journal (article/letter/editorial) | | community of Talucah near Vahlermoso Springs, in Morgan County, north Alabama. A large portion of this cave had...in Kentucky last summer. On Red River in Wolfe County, Ky., about 18 miles from Pine Ridge on Route 15...limonite (after pyrite) occur in slates on Ely Island, Lake Vermilion, St. Louis Co., Minn. MISSISSIPPI—'I...Bulletin on the mineral resources of Montgomery County, in which this formation is located, and I am sure...Lancaster County."—letter dated Aug. 21, 1955, from Richard W. Cox, RD 1, Millersville, Penn. RHODE ISLAND—At |  | | Book | | 11ne 2; ••• Amph1bo1ite--see Bolton, Worcester County M1nera1 Loca11t1es. page 85 ••• 11.8 3~ter cerium...•••••••••••••••••'.' •.••.•••• 2--6 Barn.table County ro •• il Localiti ••••••••••••••••••••••••••••...Localit1e•••••••••••••••••••••••••••• 21 Br1.tol County Mineral Localit1 ••••••••••••••••••••••••••••••...24--25 Dukes County Mineral Loeal1tiea •••••••••••••••••••••••••••••• 26--21 Duk •• County Fo.sil Loeal1tie...Local1t1es •••••••••••••••••••••••••••••• 29--3? Bs.ex County Fo ••1l Localit1e •••••••••••••••••••••••••••••••• |  | | Journal (article/letter/editorial) | | miles long extending from Coosa County thru Talladega and into Calhoun County. Most of the distance it is...Arizona kaersutite comes from Hoover Dam, Mohave County. A % inch black cube of limonite pseudo after pyrite...started out late in January first going to Edisto Island on the coast of South Carolina just below Charleston...specimens. His trip was described in the Yavapai County Messenger, Prescott, Ariz., Thurs. May 27, 1954...collect, is common throughout l o w e r Jefferson County and particularly abundant about De Soto. Some of |  | | Book (volume) | | beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts, |  | | Report (volume) | | DEPOSITS OF THE LORDSBURG MINING DISTRICT HIDALGO COUNTY, NEW MEXICO BY SAMUEL G. LASKY Prepared in cooperation...the north end of the Pyramid Mountains, Hidalgo County, N. Mex___________________ 2. A, B, Aerial photograph...sections of the Lordsburg mining district, Hidalgo County, N. Mex_____._________________________ 4. A, Volcanic...leached. 10. A, Fine-textured honeycomb of quartz, specularite, and chalcopyrite; B, Porous "worm-eaten" chalcopyrite...DEPOSITS OF THE LOKDSBURG MINING DISTRICT, HIDALGO COUNTY, NEW MEXICO By SAMUEL G. LASKY ABSTRACT The Lordsburg |  | | Journal (article/letter/editorial) | | SprouseCopeland, Burro Chief, Austin-Amazon, Bismuth-Foster-Beaumont,and Osmer faults. Of these,the Sprouse-Copeland...faultssubparallelto the bounding faults. The Osmer and Bismuth-Foster-Beaumont faults are within the Wil- low Creek...have been identified: quartz-pyrite, quartz-specularite,and high-silver and lead-silver veins. Minerals...traversing granite, principally in the Osmer and Bismuth-Foster-Beaumont fault zones. Depositscontain gold, chalcopyrite...Geology of the Central Little Burro Mountains, Grant County, New Mexico: unpublished M.S. thesis, University |  | | Journal (article/letter/editorial) | | tellurides, gold, sphalerite, chalcopyrite, galena, specularite, calcite, sericite, and barite. Mineralization...major stages—in stage II as native gold (Au) in specularite-quartz veins, and in stage III as native gold...deposit, dis covered in 1985, is located in Chongli County, northern Hebei Province, about 160 km north west...Stage I, and consist of gold, specularite, and quartz; the specularite aggregates have a sheared or radial...diameter and fills in fissures in quartz and specularite. Stage III—a gold, polymetallic sulfide, and |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...exceptionally fine, twinned analcite crystals from Houghton County ························-··-······-··-········...····· 41 2. Ankerite on siderite from Alpena County ···-··············-··················· 46 3....stalactitic limonite from Negaunee in Marquette County .................................................(Hexagonaria percarinata) of calcite from Charlevoix County .. ..... .. ....... ...... .. ............... |  | Ayati, F., Yavuz, F., Noghreyan, M., Haroni, H. A., Yavuz, R. (2008) Chemical characteristics and composition of hydrothermal biotite from the Dalli porphyry copper prospect, Arak, central province of Iran. Mineralogy and Petrology, 94 (1) 107-122 doi:10.1007/s00710-008-0006-5 | Journal (article/letter/editorial) | | phyllic alteration (quartz– sericite–chlorite–specularite assemblage) and strong silicification processes...dominantly with the quartz–magnetite–pyrite–specularite–chalcopyrite assemblage. The density of veinlets...Microprobe Laboratory of Oklahoma University in USA. Electron-microprobe analyses were performed on a...given in Table 1. According to the nomenclature of Foster (1960) for the classification of trioctahedral...ternary Mg–(Fe2++Mn)–(AlVI+ Fe3++Ti) diagram of Foster (1960). b Chemical compositions of biotites on |  | | Book | | ....243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS...Marquette County include the Presque Isle body, the Yellow Dog body in the northern part of the county, and...Ishpeming. Several bodies also occur in Dickinson County near the mouth of the Sturgeon River. A distinctive...outcrops in the SW¼ section 27, T44N, R31W, Iron County, about 1.6 kilometers west of Lake Ellen, and about...Falls in Iron County and 16 MINERALOGY OF MICHIGAN Hermansville in Menominee County. Some of these |  | | Journal (article/letter/editorial) | | New occurrenceof dioptase. 708 Howland, A. L, Specularite-alunite mineralization at Hickeys Lamprobolite...Iceland spar in Lukesh, J. A. Optical evidenceof Taos County, New Mexico. 151 619 twinning in arsenopyrite....SouthernCal549 ifornia.II.. NaAlSiOrCaSiO3system. (Foster) .. Nahcolite(Foshag) Nakai, T. New mineralsdescribed:...orthopyroxenes... . . . 2 1 1 Rapakivi of Head Harbor Island, Phosphate-sulphate of aluminum, .. 111 Maine....IBook review] Roy,P. C.. . mineralization 3 1 1 Specularite-alunite R u s s e l lA, . . at Ilickeys Pond |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Journal (article/letter/editorial) | | composed of pyrite, galena, sphalerite, magnetite, specularite, chalcopyrite, native gold, electrum, calaverite...located about 200 km northwest of Beijing in Chongli county, northern Hebei province Received on January 12...Magnetite Native gold Electrum Calaverite Altaite Specularite K-feldspar Quartz Albite Sericite Chlorite Epidote...calcite, chlorite, epidote, pyrite, magnetite, and specularite. Among these alteration minerals, secondary K-feldspar...K-feldspar, quartz, sericite, chlorite, magnetite, specularite, pyrite, and chalcopyrite. It has been noted |  | | Journal (issue) | | can be collected, the most common ones being specularite (thin flat rhombs) and calcite. Occasionally...sandstone can be seen. We complete the circle of the island, and as we pass the ore docks towards the city...adularia of the monoclinic system rite, mica, and specularite, all lying paraland dolomite of the trigonal...composition, an iron silicate. Specimen No. 32. Specularite. Thin parallel Hakes of hematite, giving the... with its 196 people (1 930) census in Tolland County, northeastern Connecticut, there was once the attractive |  | Mahdavi Akerdi, Mehdi, Malekzadeh Shafaroudi, Azadeh, Karimpour, Mohammad Hassan, Rahimi, Behnam, Santos, Jose Francisco (2021) Evidence of iron oxide-copper–gold mineralization in the Torud-Chahshirin Magmatic Belt, northern Iran: Insight from the Robaie area. Ore Geology Reviews, 129. 103937pp. doi:10.1016/j.oregeorev.2020.103937 | Journal (article/letter/editorial) | | quartz-chalcopyrite-pyrite-specularite±gold veins, and 2) quartzchalcopyrite-pyrite-specularite-magnetite±gold veinlets...is associated with quartz-chalcopyrite-pyrite-specularite±gold veins. Microthermometric study of fluid...the formation of the quartzchalcopyrite-pyrite-specularite±gold veins than in the quartz-chalcopyrite-p...the most widespread in the area and often host specularite mineralization. The biotite-hornblende andesite...biotite-hornblende diorite porphyry that host Fe-Cu (specularite, pyrite, chalcopyrite, and malachite) mineralization |  | | Book | | Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE...DELANEY, Madison Co. Quartz, (clear crystals) GARLAND COUNTY Quartz Crystals HOT SPRINGS, Garland Co. Malachite...Malachite HOT SPRINGS DISTRICT Quartz Xls LAWRENCE COUNTY Pearls LITTLE ROCK Quartz Crystals MAGNET COVE, |  | | Report (volume) | | Placer-Gold Deposits of the Jicarilla Mountains, Lincoln County, New Mexico By KENNETH SEGERSTROM and GEORGE E...and sections of the Jicarilla Mountains, Lincoln County, New Mexico ....................................PLACER-GOLD DEPOSITS OF THE JICARILLA MOUNTAINS, LINCOLN COUNTY, NEW MEXICO By KENNETH SEGERSTROM and GEORGE...replaced by magnetite. Minor vein deposits of specularite and sulfides, and small disseminations of pyrite...hydrothermal solutions. Some of the pyrite and specularite contains minor ( < 1 ppm) gold. Placer-gold deposits |  | Rieger, A. A., Marschik, R., Diaz, M., Holzl, S., Chiaradia, M., Akker, B., Spangenberg, J. E. (2010) The Hypogene Iron Oxide Copper-Gold Mineralization in the Mantoverde District, Northern Chile. Economic Geology, 105 (7) 1271-1299 doi:10.2113/econgeo.105.7.1271 | Journal (article/letter/editorial) | | mainly as chalcopyrite and pyrite, typically in specularite or magnetite-cemented breccias and associated...FerríferaSanta Clara (Fe) Specularite breccia (Manto Atacama) Specularite stockwork (Transition Zone)...breccia (Mantoverde Breccia) Specularite breccia (Manto Atacama) d M VF Specularite stockwork (Transition...experienced brecciation, forming Cu-Au–bearing specularite breccias with pervasively K feldspar-quartz–...distinguished at the beginning of production: (1) a specularite-cemented, hydrothermal breccia, termed Manto |  | | Journal (article/letter/editorial) | | mineralized by vein-controlled pyrite, sphalerite, and specularite with minor chalcopyrite and galena. Chloritic...normal faulting lasted to about 15 Ma (Howard and Foster, 1995). Bagdad United States Copper Basin ARIZONA...Sanchez Ajo Tucson Lakeshore Johnson Camp Silver Bell USA I-10 Mission/Pima Twin Buttes MEX Helvetia / Rosemont...rhodochrosite in composition. Coarsegrained specularite locally is prominent in wall rocks and veins...particularly in the volcaniclastic rocks. Such specularite blades and rosettes may be partially replaced |  | | Journal (article/letter/editorial) | | Minerals 2020, 10, 316 4 of 14 %), and specularite (0–5 vol. %) (Figure 3d). Phlogopite-magnetite...characterized by phlogopite, (5–10 vol. %), and specularite (0–5 vol. %) (Figure 3d). Phlogopite-magnetite...northeast stage part of Guojialiang village, ◦ 0 ◦ 0 specularite, and talc. The diopside and actinolite is replaced...liquid, magnetic Minerals 2020, 10, 316 5 of 14 USA). Zircon grains were then mounted in epoxy resin... Berkeley Geochronology Center, California, CA, USA) [38]. 206 Pb/238 U age is accepted for zircons younger |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...will help you prospect and explore any state and county. etc., for mineral deposits in Finding Suitable...detailed reports on special areas, according to county. The bibliography of the United States Geological |  | | Report (issue) | | & TECHNOLOGY Mineral Deposits of Western Grant County, New Mexico by Elliot Gillerman NEW MEXICO INSTITUTE...SAMUEL THOMPSON III, Petroleum Geologist RoY W. FosTER, Senior Petrol. Geologist RoBERT H. WEBER, Senior...Production of metals in the Steeple Rock district, Grant County, 1932-1947 . . . . . . . . . . . . . . . . . ....in the Burro Mountains (Tyrone) district, Grant County, 1904-1929 . . . . . . . . . . . . . . . . . ....Volcanic rocks in western Grant County 20 FIGURES 1. Grant County,. showing area included in this report |
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