| | Journal (issue) | from left: Fluorite, 6.7 cm, from the Weisseck, Austria. Collected by Reinhold Bacher; Reinhold Bacher...Collected by George Stacy; Jeff Scovil photo. Amethyst, 12 cm, from Collegeville, Pennsylvania. Collected...June a heavy rain revealed that this mineralized area contained prehnite balls (exceeding 1 inch in diameter)...for allowing a “doorway” to be opened to the left (west) of this byssolite region. Across the top of this...of the wall was cracked by the blasting in this area and was very dangerous. The fault zone lay 1 to | | | Book | greener-than-emerald tsavorite. Unique geochemistry in the area holds out the possi~ility of additional new finds...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 | | | 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 | | | 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 | | | 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...mines area _____ _ Phoenix Park area _________________________ _ Upper East Willow Creek area ______________...______________ _ Wason Park-La Garita Mountain area _______ _ Bachelor Mountain cauldron _____________________...Bulldog Mountain fault ___________ _ Ancestral Amethyst fault ___________________ _ Ancestral Solomon-Holy | | | Report (issue) | 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...Survey No. 470,1911, pp. 11-29; The Bragdon formation: Am. Jour. Sci., 4th ser., vol. 19,1905, pp. 379-387 | | | Report (issue) | picture of a highway restaurant at Sibley. (ii) AMETHYST DEPOSITS OF ONTARIO by M.A. Vos Geological Guidebook...purpose of this guidebook is to give an account of amethyst, describing its properties, lore, uses as a gemstone...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...Ontario place names: agate is used eleven times; amethyst is used five times; flint is used nine times; | | | Journal (issue) | ::^Sih£fes2 region ->sSEE THE FOLLOWING EQUIPMENT DEMONSTRATED AT THE HODGE...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...Picture: Darwin Falls Canyon BELOW THE FALLS LOOKING WEST, NEAR Darwin (courtesy Calif. Div. Mines) Other...READERS, BUT BECAUSE IT IS A HIGHLY MINERAL IZED AREA WHICH COLLECTORS Y/1LL VISIT FOR MANY YEARS TO COME | | | Journal (article/letter/editorial) | the where abouts of 'this' and 'that' in Arizona, am writing an article with the thought that, perhaps... in one article, we shall take up the Pegmatite Area this time. There is quite a 'belt' of this formation...plentiful here. There are many old mines thru this area. Another way into this territory is by gravel road...minerals are found, especially in the Wikieup District. Excellent specimens of Spessartite, among others...stepping off into them. Not uncommon, thru this area, they are a definite hazard to the careless. Proceed | | | Book (volume) | Carolina, South Carolina, Tennessee, Virginia, and West Virginia VOLUME 3: THE NORTHWESTERN QUADRANT ...21. Tonopah area; from I-10 follow good unmarked road 3 miles south, then 5.3 miles west to cattle-guarded...cattle-guarded road on right; go 2.2 miles south and west on this dirt road to faint road south; follow latter...over an area 1.5 miles wide and 2 miles long; better specimens eroding from ledges on the slope of the...map; in the directions, the first portion—Tonropah area—initially directs the reader to the closest municipality | | | 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, | | | Book (volume) | Division of Litton Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 Van Nostrand Reinhold...finishing with places in Central America and the West Indies. If known, information on features of mineralogy...Department of Conservation; and on the Four Peaks amethyst deposit in Arizona by Dr. F. W. Galbraith of the...deposits. Permission to visit other mines in the Pala area was kindly granted by Charles Reynolds of Lilac...tourmaline . Dispersion . Three diamond crystals CON BPW AM N . Diamond crystals from Arkansas . Map of diamond | | | Journal (issue) | is the most notable stock they have seen in the West. Many of the supporters of Bocb an.d Mlnerala ma<...numbers on amethyst, geodes, Jaspers. etc. We have so far a short article on an amethyst occurrence in... A Chronological History of the Franklin Zinc District. By John Reiner. Three mimeo~raphed sheets listing...Copper Mountain, the 196 highest peak in that area and around which most of the copper-mining activity...likeliest locality to work. The whole surroundi.ng area, with its ROCKS and MINERALS - widespread con | | | 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...prospectors who could not have missed seeing abundant amethyst float. Figure 1. Overview of mine from the south...William Besse. Figure 3. “Enterprise”: Amethyst scepter with amethyst jacaré on all sides of the stem, 25...Anaconda Copper Mining Company’s smelter at Anaconda, west-northwest of Butte. The company would smelt the | | | Book | help bring you the t r u e picture o f a fabulous area t o fay_ M i c e the collecting in the East is different...different in many respects :ollecting in the West, and also since some o f you m a y - : o t h e h o...p o p u l a r c a b i n e t specimens o f t h e area, f o r micromounts, fluorescents, a n d i n a f...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 | | | Journal (issue) | Nelly Bariand Paris, France Wemer Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann...Out-of-print copies are being handled by Si & Ann Frazier (see their ad). circulation office 301-262-8583 editorial...approval of the editor. suggestions for authors See vol.9, no.3, p. 135, or write to the editor for a...and location b. Your name and mailing address c. “AM” for “ amateur” or “ PRO” for “ professional.” Only...for two BANCROFT AREA }BANCROFT BANNOCKBURN ELDORADO' H WY 7 O T T A W A MADOC AM / X \ \ CD | | | 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:...sericite, vermiculite (Furcron, 1960c). Maysville area—T. J . Carr farm (1899), 1.6 km from Maysville: | | | 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...vicinity of the wellknown Spitzkuppe.Onceagain in this area excellent outcrops assistin the searchfor topaz...indication of the incredible variety and of German South-West Africa(Deutsch- uniqueness of mineralsfrom Tsumeb...yourselfbecaptivatedbythe world of these magnificent minerals and I am confident that the wonderful variety of minerals | | | Journal (article/letter/editorial) | that can be collected in a narrow canyon on the west slope of the mountain (many of them have fallen from...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...marketplace. Here we introduce another King County amethyst scepter and quartz twin locality, the Purple Hope...summer. The locality is unaffection- Figure 2. Amethyst, 3 × 4.5 cm, Rolling Thunder Pocket, Purple Hope | | | 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... G. A. Koenig, Philadelphia Dr. O. Loew, Survey West of the One Hundredth Meridian; Prof. J. E. Mallett...County; on Boulder Peak. Agate,— See Quartz. — At Quartzville. — See Gypsum. Alabandite. Alabaster.... Albitk.— Quartz Hill, Central Almandite. See Garnet. Boulder County. City Gold — Allophanite. —Franklin | | | Journal (issue) | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ..................o to b y D o n a ld M e y e r L .A .C .M .N .H . See th e article b e g in n in g o n p a g e 1 0 1 of...immediately. One of the most distressing things that I see happening more and more is the identification of...collector may well be the first and last person to see these occurrences intact, and without some photos...classic-design goniometers having been such a success (see vol. 19, p. 2), he is now planning to produce 22 | | | Report (Issue volume) | MONTREAL £terna-Vie Building, 1182 St. Catherine St. West or through your bookseller. A deposit copy of this...appropriate map or maps are indicated for each collecting area. Unless otherwise stated, these maps are issued...with the specimens. Some collectors paint a small area of white enamel on the specimen and write an index...organized according to Dana's system of mineralogy (see Bibliography). Simpler arrangements could be made...ABBREVIATIONS USED IN REFERENCES Am. J. Sci.-The American Journal of Science. Am. Mineralogist-The American | | | Book (volume) | and a Southern Section, covering a somewhat larger area around Harney Peak. The northern section is characterized...excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm Cr...wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds, etc. petrified wood...Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye... CUSTER: N, (1) near Laughing Water Cr., many area minesColumbite, Gold, Silver, etc.; and (2) Old | | | Book (edition) | Division of Litton Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 V.-\..'- NOSTR.-\...Waite, Herbert Walters, J. L. Weiland, William R. West, John S. White, Jr., F. J. Wieczorek, David Vlll...Woodward, Jr., Herman Yaras, and Jack R. Young. i am glad to acknowledge a special debt to Jeffrey Kurtzeinan...pegmatite, Baja California 19. Sequist Ranch topaz area, Texas 20. Little Three mine, Ramona, California...Emerald Creek garnet area, Idaho 61. Spessartine mining, Ramona, California 62. Amethyst specimens, North |
|