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| stones that react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great |
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| wulfenite on the front cover and the picture of the amethyst geode on page 1 are reproduced by courtesy of...desires. Sometimes the talus slopes at the base of a mountain contain rich indications of a dike or sill above...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...differing chemical composition and its hardness. In Wyoming one may find a group of stones all lying in a small...serves as an excellent clue. A case in point is amethyst. This gem has a distinctive purplish or bluish-violet |
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| VOLCANIC SUPERGROUP IN THE YELLOWSTONE NATIONAL PARK REGION Stratigraphic Framework of the Absaroka...Volcanic Supergroup in the Yellowsto-ne National Park Region By HARRY W. SMEDES and HAROLD J. PROSTKA...GEOLOGICAL SURVEY NA1~IONAL PROFESSIONAL PAPER PARK 729-C A brief description of the stratigraphy of...of the Eocene Absaroka volcanic field) Wyoming and lVf. ontana. The Absaroka Volcanic Supergroup) three... Yellowstone National Park, the oldest of the areas set aside as part of the national park sys· tern, lies |
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| by William J. Fritz Roadside Geology Series MOUNTAIN PRESS PUBLISHING COMPANY MISSOULA, MONTANA Copyright...Geology—Yellowstone National Park Region—Guidebooks. 2. Yellowstone National Park. I. Title. QE79.F75 1985...85-4934 ISBN 0-87842-170-X Printed in the U.S.A. MOUNTAIN PRESS PUBLISHING COMPANY P.O. Box 2399 * 1301S...sediments 05 Snowy Range Formation Pilgrim Limestone Park Shale Meagher Limestone Wolsey Shale Flathead Sandstone...detail of geology in the northern area of Yellowstone Park—not because the geology to the south is any less |
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| INTERIOR ALBERT B. FALL. SECRETARY NATIONAL PARK SERVICE STEPHEN T. MATHER. DIRECTOR FOSSIL FORESTS...Exceptional trout fishing. The Big Tree National Park— 12,000 sequoia trees over 10 feet in diameter,... some 25 to 36 feet in diameter— Towering mountain ranges—Startling precipices— Cave of considerable...35 feet in diameter 6 miles from Sequoia National Park. Wash- 324 Largest accessible single peak glacier...Small park with woods, streams, and a lake an important wild-animal preserve. Rugged mountain region |
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| and the jades of Alaska, British Columbia, and Wyoming, are worldrenowned. Handsome and authoritative...Isle Royale National Park were rendered by Superintendent John G. Lewis and Park Historian Lloyd Abelson...Oregon, Kansas, Alabama, Ohio, Oklahoma, Arkansas, Wyoming, Montana and Illinois. Detailed information on...Department of Conservation; and on the Four Peaks amethyst deposit in Arizona by Dr. F. W. Galbraith of the...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they |
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| protect them. In other countries and especially in the USA, there were many more such sites protected by a number...doing so other than through land ownership. In the USA the situation was completely different. The westward...focusing in particular on Great Britain and the USA because this is where most of the interest was manifest...called, was the world’s first ‘geological theme park’. It was an educational attraction with full scale...Reserve in 2001), intrusive dykes like the Whin Sill, County Durham and Northumberland (Loughlin 2003), coastal |
 | | Journal (article/letter/editorial) |
| Springs, Yellowstone National Park. National Parks & Monuments of Wyoming J . J . DEXTER Bendix Field...1569 Grand Junction, Colorado 81501 THE STATE OF WYOMING CONTAINS A M E R I C A ' S F I R S T N A T I O...L P A R K A N D Monu ment: Yellowstone National Park was established in 1872; Devils Tower was proclaimed...National Park is 3.4 miles north of the northernmost boundary of Grand Teton National Park, which was...National Park in 1950. The latest addition to the nation's Park and Monument system in Wyoming is Fossil |
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| Structural Geology, Northeast Yellowstone National Park, Wyoming and Montana Abstract: Cenozoic eruptive rocks...Paleozoic, and Mesozoic rocks in the Yellowstone Park region. Eruption of lower Cenozoic andesitic breccias...rhyolites and associated rocks in northern Yellowstone Park which are believed to be Pliocene and younger. At...Yellowstone National Park region 1176 2. Exhumation of fossil valleys, Yellowstone National Park ' 1180 3. Upper...Yellowstone National Park region 1185 5. Tectonic elements, northern Yellowstone National Park 1186 6. Evolution |
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| MELE£ · Brazilian stones faceted In Brazil . . . Amethyst, cltrlne. green tourmaline. rubellite, 25 stones...customers MINIMUM ORDER SS.00 • WE PAY POSTAGE USA on Items This Ad • • 10 DAY RETURN PRIVILEGE • SATISFACTION...Club, May 7, 9:30 a.m. June 23 thru 25. ROCKY MOUNTAIN FEDERATION OF MINERALOGICAL SOCIETIES. Annual...ineral Society of Washington , D.C . host. Sheraton-Park Hotel , Washington, O.C. Bob Romanowski, 2708 Ridge...demonstrations. food . Ma_y 6 and 7. Cheutauqua County Gem and M ineral Society. 6th Annual Show. East |
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| liquid wealth. For more detailed discussions of Wyoming geology the reader is referred to reports by Blackstone...and Root (1972). Major Physiographic Features WYOMING GEOLOGY A Record of 3,000 Million Years of the...1: Vedauwoo Recreation Area, Albany County, southeastern Wyoming; Brent Breithaupt, photographer. ROBERT...Colorado 81501 MOST F I R S T - T I M E VISITORS T O WYOMING, N I N T H L A R G E S T S T A T E I N the United...features of Wyoming's landscape are its long narrow mountain ranges and the intervening broad, nearly-featureless |
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| localities in Oregon, Wash ington, Idaho, Montana, and Wyoming. Illustrated with maps and photos. For the gem...Acicular Inclusions .................... VI THE MOUNTAIN WEST........................ New Mexico Woods...Yellowstone Park Miscellaneous Fossil Forests............... CHAPTER IX. SADDLE MOUNTAIN and the HORSE..... Wilson Canyon Petrified Wood........... Nye County Fossil Redwood............... Stone Redwoods of...conditions of the long gone past. The story is of mountain building, erosion, climate and rainfall, and a |
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| " f o s s i l forests" in Y e l l o w s t o n e Park. H o w e v e r , n o q u a n t i t a t i v e d a...sediment flows was produced by eruptions of the mountain on 19 March 1982. We were able to obtain counts...Muddy River are the closest areas studied to the mountain; they also have a higher percentage of horizontal...Triassic Chinle Formation at Petrified Forest National Park, Arizona. However, little or no quantitative data...THE EOCENE FOSSIL FORESTSOF YELLOWSTONENATIONAL PARK We believe that features observed in transported |
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| 170 Euhedral and Coarse-Grained Varieties, 171 Amethyst, 171 Color and Heat Treatment, 174 Occurrence...morphological grounds, here with reference to amethyst, smoky quartz (morion), and rockcrystal, and partly...monoclinic form based on the anomalous dichroism of amethyst,’ and forms based on the optical elongation and...opposing optical rotation of (Brazil-twinned) amethyst that two types of quartz existed, and Herschel...angles, and that the axial ratios of smoky quartz, amethyst, and colorless quartz were different. The axial |
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| fossil forests of Eocene age in Yellowstone National Park. There, inverse grading occurs commonly among the...Rifer Formation, Amethyst Mountain "Fossil Forest," Yellowstone National Park, Wyoming. Figure 2. Inversely...Gallatin "Petrified Forests," Yellowstone National Park, Montana. The base of the stump h a s b e e n b |
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| It has� there- maas of matter l�ke that of a mountain will, of course, exert fore, not unnaturally been...formed a crown of vapor aro,und the summit of the mountain. It is hy no means easy to explain how such rapidly...standing upright along the steep slopes of the mountain. In general, these strata are horizontal. The...and granite rocks, and form a great part of the mountain ranges that inclose the valley. They are hori...TERTIARY FORMATIONS OF THE YELLOWSTONE NA TIONAL PARK.* By W. H. HOLMES. THE prevalence of extraordinary |
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| GLACIATION IN THE NORTHERN YELLOWSTONE NATIONAL PARK AREA ^~**/%.*^ s^ , * PAPEI .^r*f%SURW...NATIONAL PARK AREA 110°45' 45°55' FRONTISPIECE. Glaciation of Yellowstone National Park was more...Glaciation in the Northern Yellowstone National Park Area By KENNETH L. PIERCE GEOLOGY OF YELLOWSTONE...northern Yellowstone National Park area. (Geology of Yellowstone National Park) (Geological Survey Professional...National Park. 2. Glacial landforms Yellowstone National Park. 3. Yellowstone National Park. I. Title |
 | | Journal (article/letter/editorial) |
| and proved thicknesses of the strata of certain mountain chains, the author arrives at the conclusion that... Notices of Memoirs—Fossil Forests of Yellowstone Park. 551 II.—FOSSIL FORESTS OF THE YELLOWSTONE PAEK...feet of strata exposed on the north, face of Amethyst Mountain, and from the character of the vegetation...with beautiful crystals of calcite, quartz, and amethyst. J. M. III.—EEPORT ON THE STORMBEBG COAL-PIELD |
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| the one cut in hornblende schist in Inwood Hill Park could be explained by a very minor recent ri e in...land, although it is known and mined in Idaho, Wyoming, Kentucky, and Florida as well as in foreign countries...miles almost due east of Jericho in eastern Juab ·County. Jericho is merely a station on the railroad, a...6, just north of Jericho, the objective is the mountain to the east, i.n plain sight for most of the way...on it. H ead for it. Go just to the west of the mountain. There are several heep wagon roads but the best |
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| ] TURNED TO S TONE. THE Yellowstone National Park is called the Won derland of AIlIerica, anll since...canons and rushing cataracts, its snow capped mountain peaks and mirrored lakes wake it of surpassing...the Yellowstone National Park. at aylace known locally as Amethyst Mountain, or Fossil Forest Ridge.... This is really a mountain some ten miles long, and rising nearly or quite 2,000 feet above the general...were possihle to cut a section down through this mountain, as a slice is cut from a loaf of bread, t.here |
 | | Journal (article/letter/editorial) |
| opal field is situated in the Parish of K irk, County of Yungunlgra, New South Wales, about 60 miles...] TURNED TO S TONE. THE Yellowstone National Park is called the Won derland of AIlIerica, anll since...canons and rushing cataracts, its snow capped mountain peaks and mirrored lakes wake it of surpassing...the Yellowstone National Park. at aylace known locally as Amethyst Mountain, or Fossil Forest Ridge.... This is really a mountain some ten miles long, and rising nearly or quite 2,000 feet above the general |
 | | Journal (issue) |
| glisten ing white matrix. Very few clear Herkimer County crystals adhere to any matrix, since they occur...times 66 THE MINERAL COLLECTOR. through the County, great quantities of these crystals were found...truth of this assertion. I have seen Herkimer County quartz in groups of from two up to twenty - three...most attractive specimen. His exhibit of Herkimer County crystals is arranged on narrow , step-like shelves...there be such a law, its application to Herkimer County crystals must be something like the law governing |
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| the plant-bearing horizon at Point of Kocks, Wyoming, had always been referred to the true Laramie,...I-VI11,1883. On the Mesdzoic floras of the Rocky Mountain region of Canada. Trans. Roy. Soc. Canada, 1885...Oaddo Landing, in Little Cypress Bayou, Harrison County, Texas, made by Mr. T. Wayland Vaughan." Am. Geol...fossil plants collected near Somerville, Fayette County, Tennessee, by Prof. J. M. Saffbrd, State geologist;"...fossil plants collected near Somerville, Fayette County, Tennessee, by Dr. J. M. Safford, State geologist |
 | | Journal (article/letter/editorial) |
| ] TURNED TO STONE. THE Yellowstone National Park is called the Won derland of AIlIerica, anll since...the Yellowstone National Park. at aylace known locally as Amethyst Mountain, or Fossil Forest Ridge.... This is really a mountain some ten miles long, and rising nearly or quite 2,000 feet above the general...were possihle to cut a section down through this mountain, as a slice is cut from a loaf of bread, t.here...acting through long ages, have carved out this mountain, in the heart of which may be read the st.o ry |
 | | Report (volume) |
| with State and local historical societies, State, county, and township officers, and individuals in all...Historical Library, Helena, Montana, for data concerning county and town names in the State. Eugene Howell, by...counties. Nearly all the information concerning county names in this State was furnished by him. John...connection with the State names. Complete lists of county and town names were sent by him, and information...of county and town names. John M. Comstock, Chelsea, Vermont, list of town names in Orange County. Virginia |
Amethyst Mountain, Park County, Wyoming, USA