 | | Report (issue) | | lava tubes, Kenya), and an elephant tusk (Edgerton, Minnesota, USA). As a rare alteration product of primary...lithiophilite, sicklerite, purpurite, collinsite, apatite, dolomite, calcite. Distribution: Found on Mejillones...Zealand. In the USA, found near Edgerton, Pipestone Co., Minnesota. At the Ødegården apatite mines, Bamble |  | | Journal (issue) | | Kovdor massief Larbonatite s Magnelile p re s Apatite-forsteritephlogopite rock s r-I ILLLJ [jolite...januari 1995 in de omgeving van Edgerton, Pipestone County, Minnesota, USA ; met apatiet in Bamle , Noorwegen...Québec, Canada en in de Trona Mine , Sweetwater County, Wyoming, US A MAGNETIE T Magnetiet is de lezer...de Verenigde Staten, nl St . Peter Dome, El Paso County, Colorado : Magnet Cove, Arkansa s Golden Horn...en z (GOS ) Arizona, Arkansas, Ohio, Tennessee (USA ) Poona, Nasik, Arangabad, Bombay (India ) apophylliet |  | | Journal (article/letter/editorial) | | 3#3l#t1"t Ronnnr L. Mexrv, Jn., Uniaersity of Minnesota, M inneapolis, M'innesota. Anstucr Fourteen samples...fossil mammoth tusk from a gravel pit near Edgerton, Minnesota (Gruner 1943). White prismatic a g g r e...substitution of SiOr-and So1-groupsfor POr in the apatite structure:ellestadite,an end member:Am. Mi'nua| |  | | Journal (article/letter/editorial) | | mineralizing fluids (Forrest, 1983; Sims, 1996; Edgerton, 1997a; Werdon, 1999b) and the role of organic...orogeny was significant. Fission-track analyses of apatite and zircon in the Red Dog area indicate burial...complex history of formation (Moore et al., 1986; Edgerton, 1997b; Kelley et al., 2004b). Sulfide-bearing...south-central Brooks Range: Evidence from zircon and apatite fission-track analyses: The Journal of Geology...U.S. Geological Survey Circular 998, p. 27–30. Edgerton, D., 1997a, Geologic models of sediment-buffered |  | Ogorodova, L. P., Gritsenko, Yu. D., Vigasina, M. F., Kosova, D. A., Melchakova, L. V., Fomina, A. D. (2020) Natural Magnesium Hydrous Orthophosphates Bobierrite and Kovdorskite: FTIR, Raman, Thermal, and Thermochemical Study. Geochemistry International, 58 (2) 189-199 doi:10.1134/s0016702920020093 | Journal (article/letter/editorial) | | among apatite ores and phoscorites, and as an alteration product of the phoscorites and apatite-group...hydrothermal transformations of dolomite carbonatites and apatite–magnetite phoscorites, likely at temperatures no...geological environments: in dolomite veins hosted in apatite ores and phoscorites (as in the iron ore quarry...(Atencio et al., 2012) and in elephant teeth at Edgerton, Minnesota, United States (Gruner and Stauffer, 1943) |  | | Book | | UNIVERSITY OF MINNESOTA. A REPORT ON THE GEOLOGICAL AND NATURAL HISTORY SURVEY OF MINNESOTA MADE IN ...SURVEY OF MINNESOTA. N. H. WINCHELL. STATK GEOLOGIST. 1872-1882. THE GEOLOGY OF MINNESOTA. VOL I...Secretary of State, on behalf of the people of Minnesota GEOLOGICAL SCIENCES in the TABLE OF CONTENTS...and Surveys in Minnesota. CHAPTER The By N. general physical features of Minnesota. building-stones...building-stones of Minnesota. By N. II. of Houston county. By N. II . of of Fillmore county. By N. II |  | | Journal (article/letter/editorial) | | carbonate (CO2– 3 ), and none are as ubiquitous as apatite. Apatite, Ca5(PO4)3(F,Cl,OH), might provide a mineralogical...The details of carbonate substitution into the apatite structure are one of the more persistent problems...inorganic apatite. The study of carbonate in large, well-crystallized specimens of apatite illuminates...00/DOI: 10.2138/am.2008.2551 168 carbonate in apatite Point symmetry for the unperturbed carbonate ion...wt% CO3 in the Black Mountain apatite to 0.34 wt% in the Wilberforce apatite (S. Bergman, personal communication) |  | | Report (volume) | | Tufts College, Mass. Minnesota........Prof. W. H. Emmons, University of Minnesota, Minneapolis. Mississippi...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 |  | | Journal (article/letter/editorial) | | Geography University of California, Berkeley, CA 94720, USA Received30 March 1995; accepted27 July 1995 Abstract...studies have demonstrated that primary fish tooth apatite accurately recorded the strontium isotopic composition...of microscopic fish teeth. Dating of fish tooth apatite is accomplished by comparison of 87Sr/ 86Sr ratios...of 0.5 m. The 87Sr/86Sr ages from ichthyolith apatite extracted from the clays are compared with those...oceans, allowing the 87Sr/ “Sr ratio of fish tooth apatite, similar to marine calcite and aragonite, to be |  | Leach, David L., Marsh, Erin, Emsbo, Poul, Rombach, Cameron S., Kelley, Karen D., Anthony, Mike (2004) Nature of Hydrothermal Fluids at the Shale-Hosted Red Dog Zn-Pb-Ag Deposits, Brooks Range, Alaska. Economic Geology, 99 (7) 1449-1480 doi:10.2113/gsecongeo.99.7.1449 | Journal (article/letter/editorial) | | corresponding salinities of 4 to 5 wt percent NaCl equiv. Edgerton (1997) presented more than 300 measurements on...and late-stage quartz, sphalerite, and barite. Edgerton (1997) also identified, by use of Raman spectrometry...the data and conclusions of previous studies (Edgerton, 1997; Forrest, 1983) and are discussed below...silicification event. Small euhedral crystals of apatite are found in the center of the quartz crystal (arrow)...of fluid inclusions at Red Dog (Forrest, 1983; Edgerton, 1997) can be partly explained by the fact that |  | | Report (issue) | | (Ca, Al, P) Monazite (REE, P) Xenotime (YPO4) Apatite (Ca, P) Zircon (ZrSiO4) Rutile (TiO2) Barite (BaSO4)...September 14–18, 1998, Pittsburgh, Pennsylvania, USA: Pittsburgh, Pa., Annual International Pittsburgh...Black Warrior Basin, Alabama, USA Manchester coal bed, eastern Kentucky, USA L. Kittanning, U. Freeport...Menefee, and Fruitland coals, USA Ohio 5/6/7, Illinois #6, and Pittsburgh coals, USA dl - 29 2.5 -2.5 dl 2...1) Staunton Formation, Indiana, USA; 2) Pittsburgh, West Virginia, USA 3) Donets Basin, Ukraine; 4) Staunton |  | | Report (volume) | | ............................................ Minnesota.................................................Minnesota____Prof. W. H. Emmons, University of Minnesota, Minneapolis. Mississippi __Prof. E. N. Lowe,...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.; |  | | Report (issue) | | most marine rocks. Mineral composition-carbonate apatite. Color-pale yellow, brown, black, opaque white...composition. Conodonts are essentially carbonate apatite, and approximate t he mineral francolite (Pietzner... 11 Middle Ordovician conodonts from Highland County, Va. 1Q6 (j) 0::: THICKNESS OF <( LIJ SEDIMENTARY...(Ashley, 1928; Damberger, 1974; Eby, 1923; Meyer and Edgerton, 1968; Postley, c~:=~~AO:~~ PALYNOMORPHS VITRINITE...westward bulge of the CAI 4 isograd in Highland County, Va., does correlate with an area of Cenozoic igneous |  | | Report (issue) | | and the mafic and ultramafic rocks of the Halifax County complex. The age of the rocks in the Roanoke Rapids...magnetic anomalies of the Eastern Piedmont, Bruswick County, Virginia: Southeastern Geology, v. 33, p. 81-98...5-minute quadrangle, Mecklenburg County, Virginia, and Warren County, North Carolina: U.S. Geological...Mecklenburg and Brunswick Counties, Virginia, and Warren County, North Carolina: U.S. Geological Survey, Miscellaneous...of the Gasburg 7.5-minute quadrangle, Brunswick County, Virginia, and Warren, Northampton, and Halifax |  | | Report (volume) | | .................................. 10 Franklin County.................................................................................... 11 Lamoille County..................................................................................... Washington County......................................................................................... Orange County........................................................................................ Addison County............................................... |  | | Journal (article/letter/editorial) | | of biotite, opaque minerals, sphene, orthite, apatite, zircon and fluorite. The western granite of the...consist of euhedral biotite, sphene, orthite, apatite and zircon, poikilitically enclosed by qtsartz...are invariably studded with small crystals of apatite. Well-formed crystals of microciine perthite and... e g Basement sill in the Kukri Hills and Mt. Edgerton sill. Accumulation of hypersthene by gravitational...siliceous rocks. The chilled margin of the Mt. Edgerton sill has 53 per cent SiOz, 6 per cent MgO, 11 |  | | Journal (issue) | | chloride from sea water. Main producers are the USA, former Sm-iet Union and Norway. It provides us with... cw Jersey, cw 16 York, Nevada and California, USA; Mt Vesuvius, lt:tly, Shetland Isles, Scotland and... China. Massive varieties come from the Western USA; Quebec, Canada; Snarum, Norway and Coorong, South...good nitromagnesite. These are Madison County, Kentucky, USA; and Baume and Salina, Jura, France. The...several sites in Germany; Louisiana and California, USA; Luneville, France and Inder, Kazakhstan. Cm boracite |  | | Book | | centuries (see Kunz, 1971 for detailed discussion). Apatite has also been used since ancient times. Bone mineral...agriculture and global economics. Beside turquois and apatite, only six other still valid phosphate minerals...include lazulite, pyromorphite (in essence, lead apatite), torbernite and vivianite. Mandarino (1977) estimates...evaporitic rocks at the Incline, Mariposa County and Big Creek, Fresno County, California. The associated minerals...Custer-Pringle area, Custer County, and at the Etta mine, Pennington County, South Dakota. Also found in |  | | Journal (article/letter/editorial) | | (Moore et al., 1986; Young, 1989, 1992; Sims, 1996, Edgerton, 1997). West-northwest–east-southeast to northwest-southeast...Range, Alaska: ECONOMIC GEOLOGY, v. 99, 1355–1384. Edgerton, D., 1997, Reconstruction of the Red Dog Zn-Pb-Ba...Doonerak antiform, central Brooks Range, Alaska: Apatite fissiontrack evidence from the Trans-Alaska crustal |  | | Journal (article/letter/editorial) | | fractionation of perovskite, melanite, sphene, and apatite produced negative correlations of all REE with...perovskite phenocrysts ( + nepheline+pyroxene_magnetite+apatite), have the highest MgO (approx. 3 wt%, calculated...perovskite, sphene, melanite, and magnetite, 0.5%-3.0%; apatite, trace; groundmass plus zeolite-carbonate globules...Melanite Sodalite Sanidine Perovskite Magnetite Apatite Xenoliths 52.8 0.6 30.9 10.6 0.9 0 0 4.2 0 0 0...especially pyroxene crystals contain inclusions of apatite, sphene, and melanite, suggesting residence in |  | | Journal (article/letter/editorial) | | Environmental Sciences, University of Minnesota, Duluth, MN 55812, USA Research School of Earth Sciences...Pl + Ksp + Bt + Hbl, with accessory chlorite, apatite, titanite, magnetite and zircon. Folded thin layers...+ Ksp + Pl + Ms + Bt, with accessory calcite, apatite, zircon, and an opaque phase. Like other gneisses...contains Qtz + Ksp + Pl + Bt + Ep, with accessory apatite, titanite, and zircon. Epidote forms a thin rim...(40% mafics), with accessory titanite, allanite, apatite, and zircon. This sample contains two types of |  | | Journal (issue) | | Monazite Zircon Augite The Feldspars The Micas Apatite Hornblende Tourmaline Inasmuch as few sands are...-J. Etlmuncl Estes. Located at the junction of County Street and Eastern Avenue in the easterly section...Superintendent o1 Construction of the Westchester County Park Commission, and was u_ncovered du_ring the...Island in Lake Clear, Sebastopol Township, Renfrew County, Ontar• io. Eganville is the nearest town, being... As Renfrew County is some 5,000 square miles in area, and as Renfrew city is the county teat of Renfrew |  | | Report (issue) | | Strelna. From Chitina, an early trail called the Edgerton Cutoff now has been widened and paved 1The company...Chitina, Lower Tonsina, and Kenney Lake on the Edgerton Highway, numerous homesteads and hay farms are...Richardson Highway between Valdez and Tonsina and the Edgerton Highway between Lower Tonsina and Chitina. The...erosion along the Border Ranges fault indicated by apatite cooling ages of 22-16 Ma for samples from the Chugach | | | Journal (article/letter/editorial) | | many of them in collaboration with Professor H. Edgerton of M. I. T. , mostly for use on the Calypso. One...abrasion of the nylon. For use aboard the Calypso, Edgerton has developed a sonic near-bottom indicator which...intensify our studies of the mineral fertilizers: apatite, phosphate, alkaline salts, chalk, etc. The Soviet |  | | Report (volume) | | George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in...fill of Red Light Bolson, southeastern Hudspeth County, Texas, in Geology of the southern Quitman Mountains...terraces along Maple River in northeastern Clinton County, Michigan, U.S.A. (their morphologic, genetic and...northwest quarter of Lemoine Township, AbitibiEast County [also French edition]: Quebec Dept. Nat. Resources...Iraq and of Antigo silt loam catena in 'Menominee County, Wisconsin [ abs.]: Dissert. Abs. Internat., Sec |
|
