 | | Report (issue) | | University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Conservation and Survey...Gemstones of Nebraska: A Handbook for Students and Collectors Roger K. Pabian University of Nebraska - Lincoln...Lincoln, rpabian1@unl.edu Allan Cook University of Nebraska - Lincoln Follow this and additional works at:...K. and Cook, Allan, "Minerals and Gemstones of Nebraska: A Handbook for Students and Collectors" (1976)...Resources, School of at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion |  | | Report (volume) | | Geology and Construction-Material Resources of Nemaha County, Kansas GEOLOGICAL SURVEY BULLETIN Prepared... Geology and Construction-Material Resources of Nemaha County, Kansas By MELVILLE R. MUDGE, CHARLES P. WALTERS...Nemaha County, Kans________________________ In pocket 7. Stratigraphic section from Nemaha County, Kans_______...Summary of tests on construction materials of Nemaha County, Kans __ __ _ ___ --- 184 GEOLOGY AND CONSTRUCTION...GEOLOGY AND CONSTRUCTION-MATERIAL RESOURCES OF NEMAHA COUNTY, KANSAS By MELVILLE R. MUDGE, CHARLES P. WALTERS |  | | Journal (article/letter/editorial) | | "Alluviale Laterit or Sekundare Laterit " of Gf. C. Du Bois, which he defines as "Aluminous Laterit" or as...account of the " Alluviale Latent" of Surinam by Du Bois is fully applicable to those of British Guiana...Vexploitation de I'or en Guyane Frangaise, 1898 ; Du Bois, Geologischbergmdnnische Skizzen aus Surinam, 1901;...complete account of the Surinam laterites is Du Bois' monograph Beitrag zur Kenntnis der Surinamischen...analyses of concretionary ironstones given by Du Bois it is not possible to demonstrate the presence |  | | Book (volume) | | Idaho, lowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, — ; Oregon, South Dakota, Washington...Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington...Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington...Idaho lowa Kansas Minnesota Missouri Montana Nebraska North Dakota Oregon South Dakota Washington ...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible |  | | Journal (issue) | | 1 caravan will leave the convention site (Clark County Fair Grounds) about 8:00 ock the morning of June...Pennsylvanian flora of the Wilmington is making a county-by-county study of Indiana for the purpose of locating...specimens can be found. This one had quite an area of chalcedony and drusy quartz. Photos by Fred R. Rentzel....conchoidal fracture whether it is novaculite, chalcedony, jas per, or good hard chert. Geologists on the...and similarly, novaculite might be also called chalcedony. It was suggested, therefore, that archeologists |  | | Journal (article/letter/editorial) | | discussion of the Guiana laterites in Dr. G. C. Du Bois' monograph " Beitrag zur Kenntnis der Surinamischen...in the re-arranged detrital deposits classed by Du Bois as " alluviale laterite ". Unfortunately a reviewer...did not realize my object in thus referring to Du Bois' monograph, and therefore made unfavourable comments...Oolithartige Bauxit" of Surinam, described by Du Bois as follows on pp. 35-9 of his monograph "Beitrag...strongly impregnated with microscopic granules of chalcedony. The intermediate mass or Downloaded from https://www |  | | Report (volume) | | Black. (F) The Reany Creek Formation, Marquette County, Michigan, by Willard P. Puffett. (G) The Aguada...Formation in the southeastern Kaiparowits region, Kane County, Utah, by Fred Peterson. (K) Summary of Cretaceous...Paleozoic formations of the Mountain City area, Elko County, Nevada, by R. R. Coats________________________________________...City and Owyhee quadrangles, Elko County, Nev., and Owyhee County, Idaho_____ __ 2. Kodiak and adjacent...CITY AREA, ELKO COUNTY, NEVADA By R. R. OOATS In the Mountain City area of Elko County (fig. 1), the Mountain |  | | Report (Issue volume) | | pcrthite and rose quartz from Ontario; and agate, chalcedony and jasper from various loc::ilitics in British...the volcanic rocks in the area contain quartz, chalcedony, calcite and aragonite. The amygdules measure...Lake-\Vatson Lake; 105 SW Whitehorse-Teslin) Chalcedony Chalcedony and zeolites partly fill vugs in pale green...(69 Nt and 59 Nt Sverdrup Islands) Chalcedony, Jasper Chalcedony and jasper occur as loose fragments...of the ice cap at Meighen Island. Much of the chalcedony is translucent. In colour, it is lemon-yellow |  | | Report (volume) | | A. Buehler, Rolla. Nebraska.........Prof. E. H. Barbour, University of Nebraska, Lincoln. Nevada......See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Report (volume) | | ....................................... 180 Nebraska.................................................Nebraska____.Prof. E. H. Barbour, University of Nebraska, Lincoln. Nevada_____Dr. W. S. Tangier Smith,...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Journal (article/letter/editorial) | | cleancut contacts." New Mexico Harding pegmatite, Taos County.' The Harding pegmatite has been known as a source...coarsesilvery-green book muscovite. Pilar pegmatites,Toos County: The Pilar purple muscovite, described by Schaller...occurrencesare found with it. Pitttite pegmatites,M ora County: Several lithium-tantalum pegmatites on the eastern...muscovites occur in several deposits in the Pointe du Bois area, particularly in the Bear and Annie pegmatites...replaces (potash?) feldspar along with pale purple chalcedony. In the Pilgangorra deposits occur numerous small |  | | Journal (article/letter/editorial) | | The gray agate is the original color of th� chalcedony. It is porons, aiId the heated waters run in...treated with an interrupted induced current from a Du Bois Reymond in duction coil for a period of two minutes |  | | Report (volume) | | ore deposition: Butler, B. S. Minnesota, Cook County, titaniferous magnetite: Grout, F. F. Pennsylvania... Iron, Cook County, titaniferous magnetite: Grout, F. F. IRON. Minnesota, Cook County, titaniferous...Magazine. Washington, D.C. Nebr. State Mus. BulL-Nebraska State Museum Bulletin. Lincoln, Nebr. Nev. Bur...A. A study of facies change in quartzite, Lamar County, Georgia [abs.] : Ga. Acad. Sci. Bull., v.17, no...Akkerman, Richard Pete. Turtle Bay Field, Chambers County, Texas: Gulf Coast Assoc. Geol. Socs. Trans., v |  | | Book (edition) | | field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...(1956), C. E. Williams (1952, 1959), C. G. B. Du Bois (1956, 1959), B. C. King (1949). Congo (Belgian):...Tanganyika. b. In generally unaltered rocks: Ravalli County, Montana, and Verity, British Columbia. Similar...by a fenitic halo, the outermost zone of which Du Bois (1959) describes as a ay) GEOLOGY OF CARBONATITES...examples of occurrences of rocks of this series are: USA: Canada: Brazil: Europe: U.S.S.R.: Africa: Magnet |  | | Book | | the Zeemel claims just east of the? end of Lac du Bonnet. THE PLATINUM METALS The metals of the...wthjfh empties into the Winnipeg River through Lac du Bonnet. The Winnipeg River crosses the southeastern...terminus of the City of Winnipeg railway is at Point du Bois on an expansion of Winnipeg River near the southern...west end of Oiseau Lake and the north end of Lac du Bonnet. In this zone are dikes and bosses of the...River District LAC DU BOIS Molybdenite occurs places west of Point Lac du Bois and % pegmatite at |  | | Report (issue) | | . . . . . . . . . . . . . . Rock exposures (chalcedony, zeolites, etc.) . . . . . . . . Copper Creek...41 K/15 E. Mile 53. 0 - 66. 0 Rock Exposures CHALCEDONY, ZEOLITES, JASPER, HEMATITE, CHLORITE, CALCITE...amygdaloidal cavities in Kew e enawan basalt. Chalcedony is colourless, white or greyish and usually occurs... Michipicoten Island Deposits AGATE, JASPER, CHALCEDONY, AMETHYST. As nodules and seams in Keweenawan...moss agate, chalcedony of various colours, carnelian, amethyst banded with white chalcedony and/ or crystalline |  | | Report (volume) | | described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica:...J.,4. Excursion, Tertiary type-localiMontgomery County: Reade, ties: Rainwater, E. H. , 1. H. L. , Jr...Harris, H. B. trolled: Braunstein, J., 3. Escambia County: Cagle, J. W. ,Jr. Pollard field: Jones, W. B. |  | | Report (volume) | | Philadelphia, Pa. Nebraska Geological Survey: Bulletins, 2d ser., 10; Papers 7-11. Lincoln. Nebr. Nebraska State...Museum: Bulletin, vol. \ (nos. 42^4). Lincoln, Nebr. Nebraska University, Department of Conservation: Bulletins...Pass and Atlantic City mining district of Fremont County, Wyoming: Rocks and Minerals, vol. 11, no. 10,...zones in the Negaunee iron formation of Marquette County, Mich.: Jour. Geology, vol. 43, no. 2, pp. 113-132...Thomas Continued. .. 46. Dickite from St. Louis County, Mo.: Am. Mineralogist, vol. 21, no. 7, pp. 457-459 |  | | Journal (article/letter/editorial) | | to the Ventersdorp Super- group. Rogers (1905), Du Toit (1907), Emslie (1972), Grobler and Emslie (1975-1976)...sequence amygdales are composed of quartz, chert, chalcedony, chlorite or calcite. In the lower part of flows...flattened amygdales containing finely laminated chalcedony are characteristic of the upper parts. Large...The diagrams were prepared by T. Q. Meyer, J. du Bois, L. Wirthel and J. Stallenberg. (b) MgO a 8...current nomenclature. Chemical Geology 29, 183-210. DU TOIT A. L. 1907. Geological survey of portions of |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Journal (article/letter/editorial) | | Shasta the general role played by sandstones in the County, California, which are not normal sedi- geochemical... Belgium (Cayeux, 1929, p. 130) 4. Sand with chalcedony cement, Ypresian (Tertiary) of Mont Panisel,...1929, p. 210) 24. Arkose (Triassic), Saint-Leger-du-Bois, France (Cayeux, 1929, p. 212) 25, 26. Titaniferous...Minnesota (Merrill, 1903, p. 516) 132. Sandstone, Fond du Lac, Minnesota (Merrill, 1903, p. 516) 133. Sandstone |  | | Report (volume) | | water: Spencer, G. H., Jr. Minnesota, Fillmore County: Pederson, C. A. New Jersey, Dover district, magnetite:...Nautilus. Philadelphia, Pa. Nebr. Acad. Sci. Proc.-Nebraska Academy of Sciences Proceedings. Lincoln, Nebr...siliceous breccia in the Colossal Cave area, Pima County, Arizona [abs.]: Ariz. Geol. Soc. Digest [1st Ann...of the East Shasta copper-zinc district, Shasta County, California [abs.]: Dissert. Abs., v. 18, no. 5...Leonard. Geologic map of Pinto Canyon. area, Presidio County, Texa~ with structure sections: Texas Univ., Bur |  | | Book | | President, Bowers Museum, Santa Ana, California, USA and Dr Demetrius Pohl, PhD (Stanford), former curator...geology), American Museum of Natural History, New York, USA. CONTENTS Foreword 6 Preface 7 Introduction 8 ...vicinity of the tsavorite mining area in Taita-Taveta County. PHOTOCOURTESY OF BRUCEBRIDGES THE NEOPROTEROZOIC...Transparent light blue aquamarine comes from Meru County in Kenya; translucent blue-green, euhedral hexagonal...crystals are known from the Baragoi area, Samburu County, Kenya. Keller(1992) describes gem-quality aquamarine |  | | Journal (article/letter/editorial) | | timely warning to persons The Invention con chalcedony; the translucent .'ed Is carnelian; the opaqne... Henshaw. EXTENSIONS 2O,051.-COTTON GIN.-J. Du Bois. October 9. 1872 GRANTED. 2O,OIll.-FLY TBAP |  | | 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...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy...sne-aseseeateeCounty, Can tess ccraccacaerscsascn enaeantsrse Figure |
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