 | | Book (edition) | | testing "scratched" scratch was Many which is area, Wet is calcite, a pocket knife blade tests...great plains are thinly distributed over a wide area and specific locations are comparatively few,...through matrix rock. Polished Fairburn agate from South Dakota. \\ jfc^ ^ ^ * Emerald in matrix. Emerald...spare tire to be A guide-driver done in an area is also ad- where there objection to strangers...has been recognized. Thousands of years ago this area was planed smooth by a succession of advanced |  | | Report (volume) | | 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...Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee County; Eagle, |  | | 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...against. exceedingly superficial examination, the vast area yet unexplored, and the absence of scientific knowledge...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 |  | | Book (volume) | | Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia...Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming VOLUME 4: THE SOUTHWESTERN...SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...treasured friend, Frank A. Greene, Jr. of Coal City, Illinois | ae a nem ee as - @ lan aus |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...Branch of Distribution, U.S. Geological Survey, 1200 South Eads Street, Arlington, VA 22202 CONTENTS Page...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 |  | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT couNTY, coLoRADO E. Wm. Heinrich, Deparlment of Mineralogy, Uniaersi...and manganeseoxide. . . Kaolinite. Calcite and chalcedony. Descriptions of selected deposits History. Marginal... 579 583 5d5 PEGMATITES OF EIGHT MILE PARK, COLORADO .).) I MINERALOGY GeNBnar, FnarunBs On the basis...Bismutite Limonite Manganese oxide Calcite Kaolinite Chalcedony oF MTNDRALs Quartz Quartz occurs in all zonesand...red. The reddish color is characteristic for the area, not only for microcline in pegmatites but in Pikes |  | | Journal (issue) | | meters) in length were reported from the Etta Mine in South Dakota (see figure 2). and one large crystal from...lath-likeaggregateof spodumenefrom the EttaMine, Keystone,South Dakota.Sizeis 6 x 4 cm. ExcaliburMineralCorp.specimen...Like its predecessor locality issues, this prolific area is given a comprehensive treatment that includes...of topaz with beryl from this otherwise prolific area. Neat! The book ends with a brief concluding chapter...color photographs of minerals and pegmatites in the area. This attractive volume is available for $45.00 |  | | Report (volume) | | A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...........Prof. B. L. Miller, Lehigh University, South Bethlehem, Pa. Florida............Dr. E. H. Sellards...Indianapolis. Iowa.............. Prof. George F. Kay, Iowa City. Kansas............Prof. Erasmus Haworth, University...Charles W. Brown, Providence. South Carolina.. .Dr. Earle Sloan, Charleston. South Dakota... .Prof. E. C. Perisho...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (issue) | | PRE-PENNSYLVANIAN ROCKS ALONG THE .FRONT RANGE OF COLORADO By John C. Maher UNITED STATES DEPARTMENT OF.... . . . . . . . Section A. Beulah, Pueblo County, Colorado................................. Beulah limestone...... Williams Canyon limestone................ Fremont limestone........................ Harding sandstone... .. ā¢ . ā¢ ā¢ . Section B. South Hardscrabble Creek, Custer County, Colorado......................... Beulah...Canyon limestoneĀ·. . . . . ā¢ . ā¢ ā¢ ā¢ . ā¢ . . . ā¢ Fremont limestone ....ā¢.....ā¢.ā¢.ā¢.. :...... Harding sandstone |  | | Journal (article/letter/editorial) | | length was taken from the Devil's Head area southwest of Denver, Colorado, a few years ago. A large milky quartz...Connecticut, and from the Mt. Antero region of Colorado. A very large smoky quartz crystal was recovered...other quarries near Custer, South Dakota; near the Royal Gorge in Colorado, and elsewhere. Small crystals...Carolina; at Amelia, Virginia, near Clayton, Rabun county, Georgia; etc. The old localities near West Chester...at Shaw and Esray's quarry near Chester, Chester County, Pennsylvania, and is now in the collection of |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive Ā„em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature... ( Alan Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =Ā· - Ā·, BOOKS BY RICHARD...M. PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Book (edition) | | ā _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ā : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils Americaās Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ā
COLORADO GEM TRAILS AND MINERAL GUIDE ā
SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (volume) | | ............................................. Colorado.......................................................... South Carolina......................................:.................... South Dakota.......from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee, and Texas; to...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...Catalogue of the mineral localities of South Carolina: South Carolina Geol. Survey, ser. 4, Bull. 2, |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. MurĀ phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (inĀ cluding quartz) was included |  | | Book (volume) | | ...........................................59 Colorado ...........................................................................................427 South Carolina ....................................................................................430 South Dakota ..........................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |  | | Journal (issue) | | Mammoth-St. Anthony Mine (Tiger, Pinal Co., Arizona, USA). Ex coll. Rock Currier. Part of the American Mineral...technically off limits, but I think everyone in the area knew that the students were frequenting it and looked...from collections. Several of the real novelties COLORADO MINERAL & FOSSIL SHOW Holiday Inn - Denver Central...pegmatite near Morogoro, also carrying blue quartz/chalcedony and tourmaline. One of the few novelties on everybody's... Take the Bristol Street exit (south) from 1-405. South of the South Coast Plaza Shopping Center Martin |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...create a steady market and a sentithe abundant South mental regard for that gem. make Rarity helps...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...Maine, Connecticut, New Hampshire, North Carolina, South Dakota, liquid in the solidifying dike. and California |  | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Journal (article/letter/editorial) | | mile outside North Little Rock city limits on State Hwy 65 in Pulaski County, Ark." ā letter dated July 31...enclosed specimen. It comes from the fossil beds area near Calico (San Bernardino Co.), Calif. Some of...calcite nodule. It should take a nice polish. COLORADO ā "Under separate cover I am mailing a box of...Canyon from Salida to Canon City, a very scenic drive. We stopped at Cotopaxi (Fremont Co.), Colo., to visit...mine back in the boondocks. "We returned home via Colorado Springs. Other than the heat, sunburn, a few ticks |  | | Journal (article/letter/editorial) | | (about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal and inexpensive...āThe Copper Mountain Pegmatite District, Freniont County, Wyomingā and was in the JulylAugust 2001 issue...Wyoming is particularly known for its jade and chalcedony (cryptocrystalline quartz) varieties. Specific...be described, although the general area will be. Because chalcedony (jaspers, agates, chens, chrysoprase...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous |  | | Report (issue) | | This 34-ounce gold nugget was reportedly found at South Pass, Wyoming, during a past gold rush. The nugget...and includes some chalcedony nodules. Several large nuggets have been found at South Pass, including one...courtesy of the Natural History Museum of Los Angeles County, Los Angeles, California. INTRODUCTION Welcome... diamonds were accidentally discovered in 1975 south of Laramie and since then a number of diamond-bearing...diamond-bearing deposits have been identiļ¬ed in Wyoming and Colorado. More than 130,000 diamonds (including gems weighing |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ...........................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ...........................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Journal (issue) | | fossils are particularly prevalent south of Donalda in the Drumheller area which is home to the well-known...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 ā¢ 3 E-mail: lream@comtch.iea...on possible development sites and I believe this area was mentioned as having potential. The town of Sanford...there really is no place to park in the immediate area. Best bet is to have a non-collecting friend drop...fracture-filling minerals that include calcite, chalcedony, and crystallized quartz. Since I hadn't associated |  | | Report (issue) | | DIVISION, LINCOLN 1971 1976 FRONTISPIECE Blue Chalcedony) the Nebraska State Gemstone. ABOVE The cuff...tie tack (center) make up the set of men's blue chalcedony jewelry that was presented to Norbert T. Tiemann...which named blue chalcedony the Nebraska State Gemstone. BELOW A specimen of blue chalcedony showing the...teachers and students for geologic information in the area in Khich they live. In response to this demand in...Bauxite Biotite Calcite Carnotite Celestite. Chalcedony Chalcopyrite Chalk Chert Chlorite Coal Copper |
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