 | | Journal (issue) | | Lengenbach Mineral Locality, Binna Valley, Valais, Switzerland............................................Imhof Famous Mineral Localities: Lengenbach, Switzerland 275 by Stefan Graeser Rare Earth Minerals in...Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland photomicrography: Julius Weber Mamaroneck, New...g e n b a c h q u a rry , B in n a V a lle y , Valais, S w itz e rla n d (see a rtic le s in th is issue...have been formed in the last few years. The Oslo Area club (Oslo og Omegn Geologiforening) has its own |  | | Report (issue) | | Veins. . . . . . • . . . . . Quartz-Carbonate-Adularia Veins Quartz Veins . . . Calcite Veins. . . ....Rodenhouse Wash area, showing occurrence of berylliferous quartz-carbonate-adularia veins and sample... . . . Table I. Analysis of quartz-carbonate-adularia vein from Rodenhouse Wash (Lester Butcher, analyst)...Computed mineral percentage in a quartz-carbonate-adularia vein (based on the analysis of table 1). . . ...,,/ ~ '\ 20 CO. 30 , ~y;~ 'I. ........ AREA OF INDEX Scale in Miles Improved road - - - Unimproved |  | | Journal (article/letter/editorial) | | brochantite, and sphalerite. 0 k,,,ama, a state with an area of almost 70,000 square miles, is not known as the...counties. In addition, the TriState zinchead mining area, active for more than one hundred years, extends...southeastern Oklahoma. Only relatively recently has this area been seriously exploited by recreational and commercial...of this type of locality is the copper mineral outcrops in the Permian red beds. Joe Lobell’s (1986) article...R.11W, plus others, Permian-age Cedar Springs Dolomite and Flowerpot Shale: malachite (Fay 1962, 1964) |  | | Report (volume) | | 5. 6. Geologic map of the Cougar Spar-Blue Bell area, Beaver County, Utah. . ..,. <-. Geologic plans...sizeable tonnages of fluorspar from pipes in faulted dolomite and rhyolite porphyry. From 1918 to 1924 the Silver...Star district near Milford, in the Monarch (Staats) area 47 miles west of Milford, and in the Indian Peak...Utah-Nevada State line. In Juab County the fluorspar area is in the Thomas Bange in, the center of the county...Quartz locally fills openings in fluorite and the dolomite wall rock in the Thomas Range district; in some |  | | Report (issue) | | yourself on these outings. If you are new to the area, please note that the Sonoran Desert vegetation...a high-standing area that provided detritus ihat was shed northeastward into the area now occupied by...known magmatic or tectonic activity (fig. 1). One area is the Mojave Desert and adjoining parts of the...eastern California and western Nevada. The other area is in southern Arizona and northern Sonora. Whether... south of Arivaca in the Oro Blanco-Ruby mining area, subsided far less during initial collapse (as much |  | | Report (issue) | | author with sampling in the active Friedens ville area; exploration geologist Charles G. Van Ness furnished...through the trace-sphalerite occurrences in the York area. IV Drs. Jacob Freedman and John W. Price of...drill site), and R. L. Schmiermund (Keystone mine area base map). Donald T. Hoff of the William Penn Memorial...assisted with field work in the Altoona 15' quadrangle area, and assisted with the difficult mapping of the...of The New Jersey Zinc Company Woodbury prospect area 305 149 Berks County Grace Mine 271 Oley Valley |  | | Report (issue) | | Other materials of economic interest. _________ Dolomite _---_______-_____-_____-_-____ "Terrazzo". _-...Chapter C. Precambrian geology of the Norway Lake area, Dickinson County, Mich., by Lorin D. Clark General...Chapter C. Precambrian geology of the Norway Lake area, Dickinson County, Mich. Continued Magnetic anomalies...acknowledgments.___.--_--_-__ General description of the area mapped. ________ Topography and surface features____---_-____...-_Petrography _______________----_-_Randville dolomite,____________----__--Occurrence and characteri |  | Morris, H.T., Lovering, Thomas Seward, Mogensen, A.P., Shepard, W.M., Perry, L.I., Smith, S.M. (1979) General geology and mines of the East Tintic mining district, Utah and Juab counties, Utah, with sections on the geology of the Burgin mine and the geology of the Trixie mine. Professional Paper 1024. US Geological Survey doi:10.3133/pp1024 | Report (issue) | | Limestone Dagmar Dolomite Herkimer Limestone Bluebird Dolomite Cole Canyon Dolomite Upper Cambrian Series...Series Opex Formation Ajax Dolomite Ordovician System Lower Ordovician Series Opohonga Limestone Upper...Series Fish Haven Dolomite Ordovician, Silurian, and Devonian Systems. . . . Bluebell Dolomite Devonian System...58-56 ore body 12-48 ore body 274 ore zone Ballpark area Wallrock and ground-water temperatures Mines of...Photograph of flow member of Pinyon Queen Latite from area north of Independence shaft 17. Photograph of flow |  | | Report (volume) | | ____________________________ _____ ______ _________ _ R ock outcrops ______ ____________ ____ __ ____ ___ __ ______...ins______________________ D epo it in fin e-grained dolomite------------------- D eposits in medium- and coar...g conti.nuation of lam ination lines of Cotter dolomite into the chert __ ___________ __ ____ ______ 20...form of authigen ic feld par in li m tones and dolomite of th Ev rton formation _________________________...ar th otter dolomite and a erta in bed , about 10 f t thick , lying in th Powell dolomite 00 f t nboYe |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | ....................................... Stanley area .. ... .. ..... .. .. ..... ... . .......... .....27. Cross section of Davenport mine, Moore Hill area, Kentucky.........................................veins occur in volcanics and porphyries and in dolomite, respectively; and the Snowbird, Spar, and Crystal...district, the Central Kentucky district, and the Rossie area, New York. Deposits of the Valley and Ridge type...minerals are described in detail, by geographic area; many other deposits are described briefly, and |  | | Book (edition) | | Carlsbad habit 30. Orthoclase of Baveno habit and adularia 31. Vertical sections through twins of orthoclase...Ordovician inlier of the Shelve area in Shropshire, showing the outcrops of the lavas and associated intrusive...temperature of crystallization. Sanidine, orthoclase and adularia are Monoclinic, while microcline is just Triclirtic...X 30 Left, Orthoclase of Baveno habit. Right, Adularia. FIG. are elongated parallel to the inclined...third habit is characteristic of the feldspar adularia, and crystals of this type are prismatic, while |  | | Book (edition) | | and H. H. Hess, J. Geol. 59 (1951). The stippled area is devoid of clinopyroxenes; but the basal strip...rocks such as the Tertiary granites of the Marsco area in Skye. 1 Arfvedsonite is probably the most widely...OF THE IGNEOUS RO CKS Sanidine, orthoclase and adularia are Monoclinic, while microcline is just Triclinic...third habit is characteristic of the feldspar adularia, and crystals of this type are prismatic, while... 30 Left, Orthoclase of Baveno habit. Right, Adularia. 66 THE FELSIC MINERALS Carlsbad, usually |  | | Book (volume) | | CARBONATES . Calcite . Magnesite Rhodochrosite Siderite Dolomite Ankerite Huntite Aragonite Strontianite . Witherite...aureoles, having been formed by the dissociation of dolomite, CaMg(C03)2-^-CaC03 + MgO + CO2, and often occurs...Progressive metamorphism of siliceous limestone and dolomite. Journ. Geol., vol. 48, p. 225. _and Schairer...1951. The zoned contact skarns of the Broadford area, Skye: a study of boronfluorine metasomatism in...cassiterite from deep-seated occurrences while in the same area crystals of prismatic habit are found at higher |
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