 | | Book (edition) | | for gems and recognize the associated formations rock they occur, and through field how in which...were shaped by some accident of For instance, agate How is their formation. frequently found in...chrysoberyl cats-eye are valued chiefly for pattern, and agate and jasper among semi- precious materials are...iLTHOUGH find it, there reason that certain rock formations, some is a saying that gold is where...lava flows of Idaho, Oregon and Washington occur the many types of agate, opal and petrified this region |  | | Book (volume) | | North Dakota, — ; Oregon, South Dakota, Washington, and Wyoming ~ AllanW Eckert b i or d ...Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming VOLUME 4: THE SOUTHWESTERN QUADRANT...Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming by Allan W. Eckert Ml PERENNIAL...York Cambridge, Philadelphia, San Francisco, Washington London, Mexico City, Sao Paulo, Singapore, Sydney...rockhounds I ever met, William Harris, of the Harris Rock Shop, Sarasota, Florida EARTH TREASURES (Volume |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States SOUTH DAKOTA This northwestern Great Plains state...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...438 A Location Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1 |  | | Book (volume) | | Ohio OHIO Only Paleozoic rock formations underlie Ohio’s Pleistocene surface debris and Quaternary soils...mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional |  | | Book (volume) | | Ohio OHIO Only Paleozoic rock formations underlie Ohio’s Pleistocene surface debris and Quaternary soils...mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional |  | | Report (volume) | | Split Rock Formation (Miocene) and Moonstone Formation (Pliocene) in Central Wyoming GEOLOGICAL SURVEY...SURVEY BULLETIN 1121-1 Split Rock Formation (Miocene) and Moonstone Formation (Pliocene) in Central...SURVEY GEOLOGY BULLETIN 1121-1 The new names, Split Rock formation and Moonstone formation, are introduced...Mountains UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1961 UNITED STATES DEPARTMENT OF THE INTERIOR...of Documents, U.S. Government Printing Office Washington 25, D.C. CONTENTS Page Abstract_ _____-__ |  | | Journal (article/letter/editorial) | | a gray, coarsely-crystalline, intrusive igneous rock consisting almost entirely of plagio clase feldspar... Q,A Gold Iron Diamond Quartz Deposits and Agate er |vf£j| C°PP Bentonite 3 Q Mining Deposits...on a suspected sample and then rubbing a wellused rock pick or pocket knife into the acid-covered speci...worthwhile to prospect the extensive gravel piles along Rock Creek near Atlantic City (see map in the Wyoming...gold article). These gravel piles are the rejected rock from a gold dredging operation conducted in the |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR Geological Survey Washington, D. C. 20242 For release July 5, 1968 The U...Geological Survey libraries at 1033 GSA Building, Washington, D. C. 20242, Building 25, Federal Center, Denver...Miocene Troublesome Formation near Kremmling, Grand County, Colo- 2 2. Sketch map showing distribution of...Formation of Miocene age near Kremmling, Grand County, Colo 7 2. Petrographic characteristics of selected...Krelin,., Grand CountN, , 06. • • SWEETWATER COUNTY a 6 13? ggs , WYOMING I, COLORADO Walden Steamb)vt |  | | Journal (issue) | | California Texas Washington Nevada 2"x 2" up to 6"x 6" S0c to $10.00 • - -- • Agate in Idaho. Agate halves up...$1.00, $2.00 and $3.00. • - - -• Red and white agate masses from Nevada 2"x 2" and 3"x 3" SOc and 75c...Montana 1 ½"x 1½" SOc up to $3.00 «- - -• Many agate cabochons - all colors SOc to $2.00 «---• Moss...SIMULATIONS IN AGATE. by Ernest Weulhaas ............ . ..... BLUE AGATE IN WASHINGTON. by C. N. Clfnesmtth...Clfnesmtth ............. . ... . .. AGATE - SOME FACTS AND USES. by Peter zoaac ......... .............. |  | | 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...the sociologists to decide Not everyone takes up rock hunting because of an interest in mineralogy There...comes when, after hours of hammering, a resistant rock splits just the way you want it to. And in the end...Keep Your Eyes Open PLACES TO SEARCH Active Mines Rock Masses 3 Aid the for for Experts and Ouarnes |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...a precise explanation of how to recognize the rock formations in which gems occur. in The tabular...Chrysocolla, Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem Hunter's... New York, and D. L. Hathaway of Cosmopolis, Washington. Copyright © 1969 by Russell P. MacFall 1963...1 2 How fun to hunt for gems to identify 3 Rock formations How which gems occur 1 21 stone |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Easy-to-understand instructions for recognizing rock formations; glossary. How to identify gem minerals...is a precise explanation of h< to recognize the rock formation* which gems occur. The tabular Gem ...Chrysocolla, Turquoise LJ Emerald, Beryl *"» Agate ** Jade =p Amethyst ^ X ) y ' £f h % ^... contents fun to hunt for gems 1. It's 2. How 3. Rock formations 4. How 5. Characteristics of important |  | | Journal (article/letter/editorial) | | of beach, then continue around rock outcrop to second beach Good agate pickings after storm. Knife Island...at depot. Two beaches here— Burlington Bay and Agate Bay. Amyg- daloidal outcrop on south end of Burlington...dock—toward Duluth. Telephone pole No. 1385. Small agate beach here, owner works on ore dock at Two Harbors...Gravel beach —some "agate, also some agate in stream (above bridge). Some amygdaloidal rock west of river....Good camp site next to highway. Good agate beach and some agate found in stream. 35.9 miles—Cedar Grove |  | | Journal (article/letter/editorial) | | ROCK HUNTING IN WYOMING By MURRAY KANE 2913 E. 8th St., National City, Calif. My son and I recently returned...returned from a rock hunting trip in Wyoming. I thought my fellow readers of R&M would like some information...powder, but the imprint of the bones remains on the rock. You will find your best specimens at the main quarry...the end of a slab, but usually the slabs must be split to reveal the fish. I did that by tapping the end...a slab with my hammer until the layers began to split apart. Then with my fingers or a knife blade, I |  | | Report (issue) | | so utheast tovrard gentle dip slope of Agate Flats in Split Rock Formation (A); type section of l\loonstone...lake" on upper part of Split Rock Formation (G); broad fiat underlain by Split Rock yncline (H); Ferris...basins UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1970 UNITED STATES DEPARTMENT OF THE INTERIOR...of Documents, U.S. Government Printing Office Washington, D.C. 20402 CONTENTS Abstract ___________...Miocene rocks. ____________ - ___ - _--------------Split Rock Formation. _____________________ _ N arne and |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...conventional open-pit methods and the enclosing rock crushed and treated to release the crystals. Red...periodical literature, especially in Rocks & Minerals, Rock & Gem, Lapidary Journal, The Mineralogical Record...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache |  | | Book | | found. In recent years the largest Lake Superior agate ever reported was found in Minnesota, and new species...trips may be in connection with annual shows or rock swaps. Our hobby, collecting earth science materials...preparing for a successful trip. 1. 2. Contact rock clubs in the area you propose to visit. Write to...are most interested in. > on Look up the names of rock shops of the area which you are interested in and...built up from ancient seas is the common surface rock, but there are also sands, clays and igneous intrusions |  | | Journal (issue) | | guaranteed BLACK LIGHT EASTERN RPORATION Port Washington, L.1., N.Y. Dept. ES-6 by: UNIT Most powerful...ES-6 Dept. N.Y. L.I., | 4 Manhasset Avenue, Port Washington, | Please rush! | | Tiger Eye Twin(s) 325-36...Many LACE AGATE—Mexica of this mate Our supply varies considerably OREGON THUNDEREGG‘ 3 agate centers,...tems from our omplete ne of Half Ball. Screw back. split ng f bail. Solid JEWELRY MOUNTS AND FINDINGS. Silver...eference minerals, mineral ores, gem minerals, ystals, rock forming minerals, and more generally vulcanism (volcanoes) |  | | Journal (article/letter/editorial) | | the Josephine Mine near Volcanoville, Eldorado County, California. What your correspondent writes is...several tons of these crystals were dumped on the rock dump. One large cavity even larger than 20x20 feet...quartz vein and all these many tons of rock were dumped on the rock dump, so whatever crystals there may...used that tunnel later on as a rock dump to avoid hauling the waste rock to the surface. The mine has been...26, 1953). "Fresno collector uses giant saw to split rock specimens," is the caption of the item which | | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...conventional open-pit methods and the enclosing rock crushed and treated to release the crystals. Red...periodical literature, especially in Rocks & LV!.inerals, Rock & Gem, Lapidary Journal, The Mineralogical Record...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...R. Fuhrbach, Amarillo, TX; La\vrence A. Funt, Washington, DC; Michael & Patricia Gray, Graystone Enterprises |  | | Report (issue) | | 0 cm. (GSC 2006-084) Circle: mosaic of jasper, agate, gneiss, epidote, and labradorite (NMC 859). The..........................11 The Ledge (Charlotte County Granite) quarry............................................................................63 Split Rock, Marble Cove mines...................................................................136 Black Rock occurrence ...............................................................144 Cape Blomidon-Cape Split occurrences.................................... | | | Book | | the soc1olog1sts to decide " Not everyone takes up rock hunting because of an interest in mineralogy. There...comes when after hours of hammering, a resistant rock splits just the way you want 1t to. And in the end...Ouarnes Rock Masses Abandoned Ouarr,es and Mines When and How to Go Immovable Areas of Loose Rock WHAT...LIKE Freestandmg Crystals Cav1t1es 18 Crystals in Rock Format,ons Compact and Special Forms Druses and...and Crystal Amorphous Forms VII PHASES OF ROCK COLLECTING 28 Inspection and Gathering / Picking I |  | | Journal (article/letter/editorial) | | suggested Point Mamainse for copper, Mica Bay for agate and Ranwick Uranium Mine for an underground tour...considerable time can be spent in visiting the copper and agate locations of Michipicoten Island (if you care to...Rainbow Falls Provincial Park we stopped at the rock cut just west of Rossport where Hank Ballstadt said...thought Hank had been pulling our legs because the rock cut was a vision of purple fluorite. There is amethyst...mineral locations (local). Mr. McAtee of the Alley Agate Shop told us that about five miles south of Grand |  | | Journal (article/letter/editorial) | | treatise on its valuable and/or unusual rock, mineral and liquid wealth. For more detailed discussions...History Figure 1: Vedauwoo Recreation Area, Albany County, southeastern Wyoming; Brent Breithaupt, photographer...of the Wind River, a magnificent display of the rock sequence just south of Thermopolis. O f different...include Teapot Rock north of Casper; Independence Rock, Devils Gate, and Split Rock, granite remnants...between Casper and Rawlins; Register Rock near Gurnsey; Chimney (Camel) Rock south of Laramie; Sinks Canyon |  | | Report (issue) | | Surdam, State Geologist GUIDE TO PROSPECTING AND ROCK HUNTING IN WYOMING by W. Dan Hausel Information...courtesy of the Natural History Museum of Los Angeles County, Los Angeles, California. INTRODUCTION Welcome...there is a wonderful opportunity to prospect or rock hound in the Cowboy State. Wyoming contains a large...TON WO OD Tph Twb Tql Aut Tc mg 0 0 Split Rock Formation Tsr Tph Tat Tst Tt Tl Tql EXPLANATION...Hanna ELMERS ROCK Basin IRON MTN. CARBON Basin Basin GREENSTONE TITANIFEROUS BELT MAGNETITE Rock ALBANY Rawlins |
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