 | | Book | | Treasures of the Earth ~ ~ ~ Essex County Council Many libraries in Essex have compact discs and cassettes...BY THE NATURAL HISTORY MUSEUM , LONDON Essex County Council Libraries First published by the Natural...Sources of agates 48 Europe 52 Britain 58 USA 76 Canada 108 Mexico 111 South America 122...Pli ny (AD77). Agate, is a term derived from the River Achates (now Drillo) in southwest Sicily, but t...moss. Other useable names are chrysoprase, plasma, prase, heliotrope, bloodstone, flint, chert, novaculite |  | | | | MUSEUM Ag ates Treasures of the Earth Essex County Council Many libraries in Essex have compact discs...Properties of agates Sources of agates Europe Britain USA Canada Mexico South America Africa Asia Australia...Pliny (AD77). Agate, is a term derived from the River Achates (now Drillo) in southwest Sicily, but the...moss. Other useable names are chrysoprase, plasma, prase, heliotrope, bloodstone, flint, chert, novaculite...northern midcontinent and Great Lakes region of the USA and the Great Lakes region in southern Ontario, Canada |  | | Book | | cracks and fissures appear. As they wash down to the river beds and sea, the minerals that are the heaviest...action of a million years is readily apparent. The river deposited the minerals IN THE BEGINNING 9 Chart...perfectly obvious that the garnets had washed into the river valley from the hills about, and that the flatland...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...Sapphires and rubies are found in North Carolina, Colorado, Idaho, Indiana, Cal¬ ifornia and Montana, but |  | | Journal (issue) | | SEPTEMBER , 1894 . CONTENTS . 97 CAÑONS OF UTAH AND COLORADO . PART IV . WAGON WHEEL GAP , THE GARDEN OF THE...CRYSTALS . A large shipment just received from Colorado . First class crystals of good color as low as...I. SEPTEMBER , 1894 . No. 7 CAÑONS OF UTAH AND COLORADO . PART IV . WAGON WHEEL GAP . As THE Gap is approached...approached the valley narrows until the river is hemmed in between massive walls of solid rock which rise...to throw the passage into twilight shadow . The river rushes roaring down over gleaming gravel or precipitous |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |  | | 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 |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...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 |  | | 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...and Ralph R. Potter of the Himalaya Mine at Mesa Grande provided every courtesy in respect to personal.... Mt. Antero aquamarine matrix specimen . Mesa Grande morganite crystal . Four topaz crystals . Drawing...112 Tourmaline crystal (color) following 112 Mesa Grande opencut A, Peridot inclusions in basalt 204 Turquois |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Maryland; Professor Richard Pearl of Colorado Springs, Colorado; and Professor Jack Hanahan of Belmont...such formations come the sapphires in the Missouri River near Helena, Montana, and the star garnets of Idaho...feature. Maps for areas east of the Mississippi River may be ordered from the Distribution Branch, Geological...22202. Those for areas west of the Mississippi River may be ordered from the Distribution Center, Geological |  | | Journal (issue) | | arid below ground in Arizona 96 Idaho Springs, Colorado Gold mines, mills and minerals right off the...Calima gold work was produced near the rich Cauca River placers and is cllaraclerized by gold or high purity...mining in Colombia's Cauca River Valley began shorUy d1t!reafter. The Cauca River plaeers. a long with nea·rby...Calima meta1sr.niths wh0 worked near the ricJ, Ciuca River placers fashioned la1•gc pieces of artN'Jork of...e deposit along lhe Kochka River high on a cli IT oyerloo kLug a deep river valley was one brave soul |  | | Book (volume) | | x CONTENTS Chrysoprase; Heliotrope; Plasma; Prase, 218 Bloodstone, 219 Flint; Chert; Novaculite... mately 84 in. (21 cm) in length. Pikes Peak, Colorado. Crystal approxi- Amer. Mus. Nat. Hist. coll...average of 1.2° per cm.® A crystal from Pikes Peak, Colorado, of normal habit elongated along the c-axis showed...Bolivia, in sulfide veins; and at Hamburg, Cochise County, Arizona. Small twins up to 1.5 mm. in size occur... min., 75, 167 . Amaral: Min. e metalurgia (Rio de Janeiro), 12, 215 (1948). . Zyndel: Zs. Kr., 53 |  | | Book | | Geological Survey and for areas east of the M1ss1ssIpp1 river can be ordered from the U S Geological Survey's...Virginia 22202 Those for areas west of the M1ssIssIppI river can be ordered from the D1str1butIon Center Geological...Geological Survey Federal Center Denver Colorado 80225 Index sheets from wh ich the precise maps needed...topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...gray lumps that the gold seekers at Leadv1lle, Colorado, discarded were later recognized as the ore that |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...Miners at Crystal Peak, Colorado 30. Pegmatite pocket, Crystal Peak, Colorado 31. Spodumene, Pala Chief...of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and...Himalaya mine views, Mesa Grande, California 42. Himalaya mine views, Mesa Grande, California 43. Hi.malaya...mine tourmaline crystals 44. Esmeralda mine, Mesa Grande, California 45. Chuqui pegmatite, Baja California | | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...for the United Geological Survey IVIississippi river can be ordered from the U.S. Geological Surveys... Denver. Colorado 80225. Index sheets from which the condition. precise in slppi river maps needed...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic |  | | Book | | Department of Geological Sciences Duluth MN 55812-2496 USA grapp@d.umn.edu ISBN: 978-3-540-78593-4 e-ISBN:...quartzite, Boulder Lake Reservoir, St. Louis County, Minnesota, USA . . . . . . . . . . . . . . . . . . . ... 86 Major obsidian deposits of the southwestern USA . . . . . . . . . . . . . . . . . . . . . 87 Basalt...Basalt hafted hammer from Lake Superior north shore, USA . . . . . . . . . . . 90 Hafted granite hammer from...Hopewell obtained mica from western North Carolina, USA. . . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (volume) | | Scranton, Pa. P. 0. Box 235, Colorado Springs, Colo. P. O. Box 598, Colorado Springs, Colo. Care M. A Hanna...Telluride, Colo. *Carhart, Winfield S., Min. Engr. Colorado Sm. & Ref. Co., Butte, Mont. *Carkeek, William...Scotia. Min. Engr., Genl. Mgr., Cia. de Rio Tinto, Ltd., Minas de Rio Tinto, Province de Huelva, Spain. *Cabmichael.....Bisbee, Ariz. *Clark, George M., Min. Supt., River Hill M. and M. Co., Placerville, Cal. *Clarb:, James...’85 164 *Golyar, Louis ’ Prof. Min. Eng., Colorado School of Mines. ^Comstock, Prof. Theodore B |  | | Book | | 1971 in a burial-mound on the bank of Kumachka River, Southern Urals. Artaxerxes reigned in 465-425 B...centre of barite production moved from Europe to the USA at the time of World War I. In Russia, barite was...main resources of this mineral are in the USSR and USA, the USSR being the leader. The use of barite in...known in Algeria, Pakistan, Afghanistan, Mexico, USA, Italy and Argentina. In the USSR, much onyx marble...possession. The salt mines in the mouth of the Tiber River were the objects of conti nual wars between the |  | | Journal (volume) | | Addres William Paton, Shell. Wyoming. a ,^_ BAR, River Cora, Valle Wy ing. in the Upper Green stock...arise. Every fresh water eel that is seen a creek, river or inland lake was born somewhere in depth between...and cross- beams are peeled saplings from the river bank (Below) Prosit! A- Swazi finery, beer. is...legend, the Basutos living on the Black Mboluzi River had the original power of making rain but when they...woodlot^ glen wild life that depends on or river; see if it is being kept safe for the it. Nature |
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