 | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT couNTY, coLoRADO E. Wm. Heinrich, Deparlment of Mineralogy, Uniaersi...Hematite. Chalcocite. Native silver. Malachite, azurite, and chrysocolla Bismutite. . . . Beyerite. Limonite...J/J 5t I 579 583 5d5 PEGMATITES OF EIGHT MILE PARK, COLORADO .).) I MINERALOGY GeNBnar, FnarunBs...FnarunBs On the basis of occurrence the pegmatite minerals may be divided into three groups: o 1. The common...present at all, are small. fn the School Section pegmatite 1- to 6-inch vugs containing minute cleavelandrte |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...article are for the most part uncommon or rare in pegmatite. Only fluorite, calcite and siderite are at all...Bernardino County, California and also in pegmatites north of the Reagan mining district, Nevada. FLUORIDES...the most common fluoride mineral occurring in pegmatite. It is often associated with cassiterite, tourmaline...amount in the rare earth type of pegmatite as at Barringer Hill, Llano County, Texas where large masses weighing |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (issue) | | Mammoth-St. Anthony Mine (Tiger, Pinal Co., Arizona, USA). Ex coll. Rock Currier. Part of the American Mineral...the state is home to the New Mexico Institute of Mining & Technology (NMIMT), formerly the New Mexico School...admitted to NMIMT to begin studies in geology and mining engineering. I can still remember the first time...about 26 miles west of Socorro in the Magdalena District. The smithsonitc specimen was approximately 12...but virtually every student majoring in geology, mining or metallurgical engineering had paid a visit to |  | | Journal (issue) | | President’s Message 2&4 Officers 3 Milpillas Azurite Story 5-9 State Mineralogy Books 10-15 Friends...experiencing remnants of winter while the rest of the county can feel spring in the air. This means it’s time...vanegas3@charter.net CHAPTER PRESIDENTS (ALSO BOARD MEMBERS) COLORADO CHAPTER: Mark Jacobson; markivanjacobson@gmail...Compliments of the Colorado Chapter Newsletter: Get it While You Can: the Milpillas Azurite Story by Bob Carnein...thought was an exorbitant amount of money for an azurite specimen from Mexico (Figures 2, 3). The price |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Journal (article/letter/editorial) | | 1965 MINERALOGY AND PARAGENESIS OF THE COTOPAXI, COLORADO, Ct-Zn SKARN DEPOSIT Cuenr.BsA. Sar-orrr,Departmentof...base-metal deposits crops out in south-central Colorado. At Cotopaxi mineralization is confined to a small...INrnonucrroN Nearly all metallic mineralization in Colorado is associatedwith igneous rocks and structures...but little-studied ore deposits in south-central Colorado is Precambrian in age. These deposits (Fig. 1)...Chaffee County Cleora district prospects (Fig. 1, No. 2) Sedaliamine (Fig. 1, No. 1) Turrett district (Fig |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Book | | Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...Rocks; Minerals Found in Igneous Rocks; Granite Pegmatite Gems and Minerals; Hydrothermal Mineral Deposits;...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the |  | | Journal (issue) | | Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 • 3 E-mail: lream@comtch.iea...longer possible and there really is no place to park in the immediate area. Best bet is to have a non-collecting...V anadiun1 l\'line, l\fagnet Cove, Hot Springs County, Arkansas is Reclaimed and Collecting Ceases...the day that open-pit mining would reveal its expected buried treasures. Mining by Union Carbide for vanadium |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...21:98100 Abstracts of the FM-TGMS-MSA Symposium on Azurite and other copper carbonates (chairman: K. Wenrich)...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |  | | Journal (article/letter/editorial) | | 5 cm (DM 23387), from the White King mine, Lake County, Oregon, the type locality. His label states that...4 (below). Azurite and malachite, 14 × 9.5 × 7.5 cm (DM 23095), from Bisbee, Cochise County, Arizona....1947 and 1983. He was primarily interested in pegmatite and carbonatite geology and mineralogy. During...of his career he produced 135 publications and eight books, stemming from a very successful research...clay. He was then re-assigned to the pegmatite program in Colorado before learning that all three of the |  | | Book (volume) | | Isle Royale National Park were rendered by Superintendent John G. Lewis and Park Historian Lloyd Abelson...Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...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...Thomsonite, Fluorite, Smithsonite, Malachite and Azurite, Shattuckite, Wollastonite, Lapis Lazuli, Fibrolite |  | | Book (volume) | | 56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning |  | | Book (edition) | | interesting facts about the people involved in mining, current price lists of various stones, and numerous...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...information is included on the persons involved in mining the deposits, with dates and other pertinent information...Thomsonite, Fluorite, Smithsonite, Malachite and Azurite, Shattuckite, Lapis Lazuli, Fibrolite (Sillimanite)...W. pegmatite mine, Pala, California 17. Mack mine, Rincon, California 18. Beryl-bearing pegmatite, Baja |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._________________ _ Harding sandstone _________________ _ Fremont limestone _________________ _ Devonian _______..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite | | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...have been found with spine! in marble less than 1 mile southwest of Amity (Chamberlain and Robinson, 2013)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Journal (issue) | | dumortierite from the Indian Pass area of Imperial County, California. The red stripes are red jasper from...stars are howlite from Tick Canyon in Los Angeles County. continued on page 10 8 - NOVEMBER 1976 FEATURING:...carnelian agate from the Wiley Well Area of the Colorado Desert in Southern California. The tongue came...report a visit to a well-known obsidian area one mile east of Ludlow, and just south of the railroad tracks...~pecialize in Cem ()uality Crystal opal. \\"e have been mining and dealing in opal for 8 years. i n- tegrity |  | | Book | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...doubtless the U.S.S.R., likewise established uranium mining industries. These efforts in the Reid and in the...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . 165 180 182 Chapter 5: RADIOACTIVE PEGMATITE DEPOSITS Geological Characteristics of Pegmatites |  | | Journal (issue) | | Southwestern paintings, Southwest Museum, Highland Park, Los Angeles, California. Jan. 4—Invitational ski...Giles Greville Healey. Southwest museum, Highland Park, Los Angeles, California. Jan. 11—Utah three-way...Yebichai personages. Southwest museum, Highland Park, Los Angeles, California. Jan. 22-25—Open golf tournament...color pictures. 3 p. m., Southwest museum, Highland Park, Los Angeles, California. Jan. 27—Intermountain...From h e r e a n d there on the d e s e r t 31 MINING Current n e w s of desert m i n e s 38 HOBBY |  | | Book (edition) | | the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections... Denver, Australia, MinMassa- California, Colorado, Gregory, Speci- Bottley England, and others...Sciences and is housed in their museum in Golden Gate Park, San Francisco. MINERALOGY 8 THE FUTURE OF...the intelligent amateur recalls that vivid blue azurite also has copper, and is very close to malachite...the colors of the copper minerals malachite and azurite mentioned above, will take on new meaning and |
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