 | | Report (issue) | | DEVELOPMENTS IN THE CREEDE DISTRICT, COLORADO By ESPEK S. LAKSEN ABSTRACT The Creede district has produced over...greater part of this output came from the great Amethyst vein, which lies along a major fault. Nearly all...opened a good ore body in the western branch of the Amethyst fault at its south end, and several small but...veins have been worked in the hanging wall of the Amethyst vein. These veins have produced metal to the value...reverse fault in the extreme northern part of the district. Silver in amounts sufficient to stimulate extensive |  | | Book | | gemologists, collectors, travelers, and anyone with an interest in the world's gemstones. Nearly all known...Sapphire from Kenya 42 Ruby from Mangari, Tsavo West National Park, Kenya 44 Chapter 4. Emerald and...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 ...ActinoliteTtemolite 111 Agate 114 Amazonite 114 Amethyst ll7 Apatite 117 Beryl ll8 Diopside ll9 120 Enstatite |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...(Weibel, 1980). The Maderanertal drainage flows west-southwest from a mountain massif to join the Reuss |  | | Journal (issue) | | 2022 EUREKA! U Self-Collected Minerals V With an Introduction and Epilog by Wendell Wilson A Supplement...from left: Fluorite, 6.7 cm, from the Weisseck, Austria. Collected by Reinhold Bacher; Reinhold Bacher...from left: Liddicoatite, 7 cm, from the Sahatany Valley, Madagascar. Collected by Federico Pezzotta; Antonio...from the Entia Valley, Australia. Collected by George Stacy; Jeff Scovil photo. Amethyst, 12 cm, from Collegeville...Mineralogical Record in 1972: “Franz Mihajlowits, an experienced miner, decided to work full time at the |  | | Report (volume) | | 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S................................................. Amethyst mill.................................................................................... 88 Amethyst fault system....................................Extent of Amethyst vein before erosion............................. 132 Gases in Amethyst lode................................... 134 Exploration of district.............................................. |  | | Report (issue) | | Structural Control of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY...Structural Control of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN...Bulldog Mountain fault ___________ _ Ancestral Amethyst fault ___________________ _ Ancestral Solomon-Holy...-------------Alpha-Corsair fault zone ___ -----------------Amethyst fault zone ______ -----------------Bulldog Mountain...----------------Ore deposits along the Amethyst fault zone_------Amethyst vein _________ ---------- ---------Vein |  | | Report (issue) | | subjects treated, and each group has been issued as an advance chapter as soon as it was ready. By means...1909, the writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other...written. In November, 1910, another visit to the district was made, but inclement weather handicapped the...The growing economic importance of this min ing district merits notice, and it is hoped that this brief...Alien, of Aliens Camp; and many others in the district. Mr. Waldemar Lindgren, chief geologist of the |  | | Book (volume) | | review of deposits, a helpful geographical index, and an exceptionally complete listing of books and arucles...America has developed into a major exporter rather than an importer. A VAN NOSTRAND REINHOLD BOOK . Digitized...AMERICA In Iwo Volumes Volume | JOHN SINKANKAS [aN] VAN New NOSTRAND York Cincinnati REINHOLD Toronto...Division of Litton Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 Van Nostrand Reinhold...neat erie ra 8 ‘y - ml 3 ee pon * : c= : an vi 5 = fii? i a j — » ya y _— ’* : |  | | Thesis/Dissertation | | TDfl SbQ AEEAL GEOLOGY OF 0?HS CREEDE DISTRICT, COLORADO. By ' X ESEBR S* H B LARSEIT. ...Approved: The Areal Geology of The Greede Mining District, Esper 3. Larson. COKTEIIT3 Chapter I. ...11 General conditions 11 Humphreys mill 13 Amethyst mill 15 Solomon mill 16 Hidge mill 16 Bibliography...Gtoneral Age. Mineralization along faults. The Amethyst fault eyttenu V / ^ v" A/ T ^.iivi'i.iijXi... Location and topography.- The Creede mining district is in Mineral County, southwestern Colorado, |  | | Journal (issue) | | Sapphires, etc. Our Titania Stone6 are of the finest. Amethyst, Opals, Topaz, Garnets, Turquoise. ft ROCKS:... RUTILE (Synthetic titanium) FINE GEM STONES AMETHYST heart dark 60.00 brill, cut 39 ct ANDALUSITE exceptional...Recent Strikes 7 Mineralogy of the Trona-Death Valley Region 9 Exchange Directory 18 Book Notes 25 Cover...Picture: Darwin Falls Canyon BELOW THE FALLS LOOKING WEST, NEAR Darwin (courtesy Calif. Div. Mines) Other...PERSONALLY SPEAKING... WITH OUR THIRD ISSUE, WE ARE TAKING AN IMPORTANT STEP FORWARD BY THE INTRODUCTION OF A NEW |  | | Book | | The EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits...House W°Ntdhoek FOREWORD Namibia is endowed with an exceptionally rich mineralogical heritage, which...alike to our beautiful country to study it and gain an understanding and appreciation of this aspect of...indication of the incredible variety and of German South-West Africa(Deutsch- uniqueness of mineralsfrom Tsumeb |  | | Report (issue) | | this document was printed was generated by scanning an original copy of the publication. The file has been...picture of a highway restaurant at Sibley. (ii) AMETHYST DEPOSITS OF ONTARIO by M.A. Vos Geological Guidebook...e purpose of this guidebook is to give an account of amethyst, describing its properties, lore, uses...purple coloured robes. Ontario has recently1 chosen amethyst, the purple variety of quartz, to be the official...of the clear crystal referred to in names like Amethyst Bay in Thunder Bay or Quartz Lake in Maria Township |  | | Book (volume) | | Carolina, South Carolina, Tennessee, Virginia, and West Virginia VOLUME 3: THE NORTHWESTERN QUADRANT ...Oklahoma, Texas, ind Utak by Allan ‘VV. Eckert AN AUTHORS GUILD BACKINPRINT.COM EDTION 3 1336 05877...without the permission in writing from the publisher. AN AUTHORS GUILD BACKINPRINT.COM EDITION Published by...quadrant of the 48 contiguous states, and each volume is an entity in itself, complementing the others but not...gravel pit, prospect, mine, etc.). Let’s take, as an example, under the heading of Arizona, on the map |  | | Book | | parents, Professor and Mrs. Vernon Culp who gave me an early love of beauty, and to my husband Albert who...is different in many respects :ollecting in the West, and also since some o f you m a y - : o t h e h...Maryland ... 3 CHAPTER 5 Virginia 4 1 CHAPTER 6 West Virginia 5 CHAPTER 7 Kentucky 6 CHAPTER 8 Tennessee...i n i a : Fauquier, Goochiand, Orange, B u r k e West Vi r g i n i a : Monroe, M o r g a n , Jefferson...found. Vi r g i n i a : Orange, Henrico, Tazewell West V i r g i n i a : M o n r o e Kentucky: A d a i |  | | Journal (issue) | | Nelly Bariand Paris, France Wemer Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann...and location b. Your name and mailing address c. “AM” for “ amateur” or “ PRO” for “ professional.” Only...Record a complete set of Goldschmidt’s Atlas der Kristallformen, an invaluable reference which should provide...BANNOCKBURN ELDORADO' H WY 7 O T T A W A MADOC AM / X \ \ CD \ HW Y 401 -------------------------...Sizes W rite F o r B im o n th ly Lists Call us for an appointment when you're in Honolulu JO HN J. M E |  | | Book (edition) | | literature and from personal communications. There is an updated geographical index, and all the material...America has developed into a major exponer rather than an imponer. A VAN NOSTRAND REINHOLD BOOK / '- ✓...Division of Litton Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 V.-\..'- NOSTR.-\...gemstones at least, ~orth America is now an important exporter rather than an importer. As before, much detail...two documented sites. As in the previous volume, an attempt is made herein to provide more than a dry |  | | Journal (issue) | | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ..................e ssa rtin e d ik e , L ittle T h ree m in e , S an D ieg o C o u n ty , C alifo rn ia. Los A n g e le...is the execution of the square root of a number. An increasing number of people have no idea how to do...all kinds of work later on. You may be able to make an important decision on the spot or be able to help...employment, he or she in many cases begins work on an independent level or a minimally supervised level |  | | Journal (article/letter/editorial) | | specimens and gemstones from the Little Gem mine Amethyst Mine RUSS HAGE 701 Lolo Street Missoula, Montana...continental divide in Montana is the Little Gem amethyst mine. It is an imposing pegmatite outcrop about 50 meters...wide, and up to 10 meters thick. From this, there is an impressive eluvial debris field that extends for...seeing abundant amethyst float. Figure 1. Overview of mine from the south, across the valley, showing pegmatite...William Besse. Figure 3. “Enterprise”: Amethyst scepter with amethyst jacaré on all sides of the stem, 25 |  | | Journal (issue) | | March 2019 Fluorescent Opal From the Velvet District, Pershing Co., Nevada Bob Werner werner@lcturbonet...werner@lcturbonet.com The diatomite mines of the Velvet District haven't received much attention over the years...was first reported in the District in 1923 (Vanderburg, 1936) on the west side ofTrinity Pass in the...(EPM) who developed four open-pit mines in the District (Johnson, 1977). The diatomite consists of the...page 2) Fig. 1: Diatomite, 8 x 5 x 5 cm, Velvet District, Pershing Co., NV. Author's collection. Albert |  | | Journal (article/letter/editorial) | | ROCKS & MINERALS JOE GEORGE PO Box 1001 Maple Valley, Washington 98038 scepterguy@cascadescepters.com...Gulch” on Denny Mountain has long been known for an interesting suite of skarn minerals that can be collected...collected in a narrow canyon on the west slope of the mountain (many of them have fallen from the cliffs...of the canyon a small zone produces beautiful amethyst scepter groups and quartz specimens with Japan-law...ankerite, calcite, or barite. Beautiful plates of amethyst scepters and excellent Japan-law twins have also |  | | Book | | I desire here to thank those gentlemen to whom I am indebted for in the verbal and written information...the subjoined pages may meet your requirements, am, very respectfully, your obedieut servant, FREDERIC...my first catalogue of minerals of that Territory. An enlarged list was printed in the United States Geological... G. A. Koenig, Philadelphia Dr. O. Loew, Survey West of the One Hundredth Meridian; Prof. J. E. Mallett...Aldcn Smith, State Geologist, Boulder City, Col. An arrangement has been followed differing somewhat |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...Reviews and suggestions by Thomas J . Crawford (West Georgia College) and Robert B . Cook (Auburn University)...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...property—near Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula:...(chryso lite, olivine) (Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest |  | | Report (issue) | | Analysis: Fritz Island, Berks County. Sadtler, Jr., Am. Chem. J., IV, 356, 1883. Si0 2 A1 2 3 Fe2 O3 CaO...Society, in whose single volume of memoirs appeared an analysis of malachite from "Perkioming" by Thomas...kept intact in its original cabinet. Academy made an excursion to the Perkiomen mines. Their activity...Journal of the Academy. In 1812, Isaac Lea published "An account of the minerals at present known to exist...corundum mines at Unionville, Brinton's quarry south of West Chester, and the French Creek iron mines. One of |  | | Report (Issue volume) | | MONTREAL £terna-Vie Building, 1182 St. Catherine St. West or through your bookseller. A deposit copy of this...years mineral collecting has captured the interest of an increasingly large group of amateur mineralogists...was recognized soon after its discovery in 1770 on an island off the coas t of Labrador. Today labradorite... and gem-cutter. The extent to which this has become an industry is indicated by the rise in the number of...long hikes. You may require h eavier clothing or an extra sweater when visiting some mipes where the |  | | Book (volume) | | be estimated from the pale rectangular step cut amethyst (left, upper group) which measures about 25 mm...of minerals and gems, and at the same time provide an enormous amount of information presented in the easily...which promise to make the North American continent an important producer of these gemstones. The present...of the East, and the Sierras and Cascades of the West, for examples, dense forest covers extend over thousands...Korite Minerals, Ltd., Calgary, ALTA; Jane Perham, West Paris, ME; Robert & Mary Paoli, Fort Bragg, CA; |
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