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| 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 |
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| .. Granular calcitic limestone and associated dolomite ........................ 1 2 4 4 4 5 6 7 8 9...Relations of dolomite and calcite in the Stockbridge limestone as bearing upon the origin of dolomite ........(marble) with granular dolomite.... Interbedding of twinned calcite and twinned dolomite rock......... Conclusions...uses............................................ Dolomite and calcite marble quarries.....................opening, West Stockbridge, Mass.; B, Anticline of dolomite and calcite, Truesdell quarry (north), West Stockbridge |
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| DIRECTOR BULLETIN 589 THE CALCITE MARBLE AND DOLOMITE OF EASTERN VERMONT BY T. NELSON DALE WASHINGTON...the marble and dolomite localities described. II. A, Polished slab of granular dolomite breccia from Plymouth... such as coal, iron, oil, or copper, in a given area, but others treat of all the economically important...at present not only impossible to determine the area and general attitude of many of the beds but also...formations which are but partly exposed. The eastern area appears to be .one of greater metamorphism than |
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| grouped as the Oslobreen Series, are dominantly of dolomite and limestone often with evidence of discontinuous...belt, lies in the north of Spitsbergen. Much of the area is ice-covered and the rock exposures are restricted...general structure of the Hecla Hoek rocks of this area has been described by Harland (1959). The rocks...post-Permian faulting. An east-west section across the area is shown in Text-fig. 3B. Our present knowledge...the field-work of C. B. Wilson. Wilson visited the area in the summers of 1953, 1955, and 1956, and Gobbett |
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| 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 |
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| broad, terraced plain th at has been eroded from outcrops of Cretaceous shales by streams and wind. In spite... glacier-worn, central part of the mountains, outcrops are plentiful and favorable for detailed study...mountains much labo rious groping after hidden outcrops remains to be done before even the general survey...concealed by glacial drift and soil. The best outcrops are along the sides of the canyons which have...distinct and still older. (See page 627.) The hest outcrops of the typical Deep Lake metaquartzite are in |
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| .................................. Bonneterre Dolomite ................................................Potosi Dolomite .................................................................. Eminence Dolomite ......................................... Gasconade Dolomite ................................................Roubidoux Dolomite .......................................................... Jefferson City Dolomite ........................................ Asterism in dolomite ............................................. |
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| Mangan ese __ ______________________________ Dolomite ___________________________________ Topaz__ _..._-_____-----_---------_-_Complex crumpling in dolomite at the Cumbe quarries-___-_-___----__--------...the QuadriMtero Ferrifero. ____-___---___----__ Dolomite analyses, Dom Bosco quadrangle__-_--_-_--_---...found in the mapped area; but manganese deposits have been mined in the past, and dolomite is now being quarried...quarried. The mapped area is underlain by Precanibrian metamorphosed sedimentary rocks of low to medium |
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| Precambrian rocks _______________________ _ Southern area _____________________________ _ General characteristics...Age and correlation ________________ _ l{orthern area _____________________________ _ Carney Lake Gneiss...______________________ _ Quinnesec (Wisconsin complex) area _________ _ The Menominee trough _______ -- _________...Iron Mountain area, Michigan and Wisconsin. 2. Geologic map and sections, Norway area, Michigan and Wisconsin...Wisconsin. 3. Geologic map, Loretto area, Michigan. 4. Map showing magnetic survey of part of the Menominee |
 | | Field Trip Notes |
| region and Western Cape Cod 119 Field Trip No. 3. area Field Trip No. 1 GEOLOGY OF THE APPALACHIAN...to provide some sort of guide to the reader the area is divided into 15-minute quadrangles by latitude...by the U. S. Geological Survey, available for the area covered by Plate 4« Plate 4, like all geological...a progress report. Although in many parts of the area the authors are reasonably well satisfied with the...covering Hoosick Falls, New York, area), Marshall Kay (map of area around Sudbury, Vermont), and Matt |
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| mined represented the weathered and decomposed outcrops of persistent beds of sediments of Cambrian age...manganese deposits coincides roughly with the outcrops of a group of Cambrian shales and quartzites,...50-foot level ore has been mined sporadically over an area about 100 feet square. As the original source of...Shenandoah Valley. With regard to the relation of the outcrops to the local surface features, the Piedmont, Midvale...there are successive belts of gray to light-green muscovite schist with here and there clusters of magnetite |
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| Magnesite________________________________________________ 105 Dolomite and calcite_______________________________________...map of the Coite magnesite deposit, south outcrop area. Page FIGURE 8. Index map of south-central Bahia...of magnesite and dolomite, Cabeceiras deposit_______ Analyses of magnesite and dolomite, Coite deposit____________...of magnesite and dolomite, Cordeiro deposit_________ Analyses of magnesite and dolomite, other localities__________...BRAZIL BY ALFRED J. BoDE.NLOS ABSTRAC'I.' Many outcrops of crystalline magnesite occur in the Serra clas |
 | | Journal (article/letter/editorial) |
| synchronously with the MVT prospects in the Teague area in the Earaheedy Basin approximately 120 km to the...collapse quartz-clay breccia unit marking the dolomite weathering front; (2) - the contact of siltstone...mineralisation remain puzzling and some of genetic aspects area debatable due to a lack of information. We provide...studied based on 11 samples of the Yelma dolomite from five outcrops at slopes of the Magellan Hill and from...Six samples of cerussite and three samples of dolomite were analysed for stable carbon and oxygen isotope |
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| 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 |
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| Introduction _____________________________ Study area _______________________________ Location and description...Clarification of terms ___________________ Reed Dolomite soils____________________ Adamellite soils of...Physical weathering _____________________ Reed Dolomite _______________________ Adamellite of Sage Hen..._______________ Mineralogical changes _______________ Reed Dolomite __________________ Adamellite of Sage Hen Flat...changes from bedrock to soil ______ 400 382 Reed Dolomite __________________ 401 382 Adamellite of Sage |
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| Raina, 1964) 10 Fig.16.1.1c Geological map of the area around Jorethang-Jorebungalow areas of Sikkim-Darjeeling...Sikkim-Darjeeling Himalaya 11 Fig.16.1.1d Geological map of area around the Mahakal Hill, West of Jainti River dist...phyllite-metawacke sequence (Gorubathan Formation) at Saliram area, T.S.No. 78A/7 15 Fig.16.1.1h Phylllite (with...sheen) of Gorubathan Formation at Lower Gangyap area, T.S. No. 78A/7 16 Fig.16.1.1i Thinly bedded...bedded quartzite (Gorubathan Formation) at Saliram area, T.S. No. 78A/7 16 Fig.16.1.1j Thinly laminated |
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| ................ 5—Generalized section of ocher area .......................... 58 110 118 6—Map showing..................................... 12—Monadnock area in Vermont ............................... 13—Philipsburg...THE VERMONT STATE GEOLOGIST PAGE 32—East Mountain area showing section lines and topography... 238 33—Mendon...to be ascribed. Geologically Vermont is not a new area, if we go back to the times when the foundation...Vermont except to repeat that it is a very old land area. All the essential data by which the age can be |
 | | Journal (article/letter/editorial) |
| in one article, we shall take up the Pegmatite Area this time. There is quite a 'belt' of this formation...bearing Mica, Spodumene, Beryl, Black Tourmaline, Muscovite (White Mica) .... and .... remember the 'experts'...plentiful here. There are many old mines thru this area. Another way into this territory is by gravel road...stepping off into them. Not uncommon, thru this area, they are a definite hazard to the careless. Proceed...Chalcopyrite, tiny bronzy xls in white calcite. Dolomite, tiny white xls on calcite. Galena, small lead-gray |
 | | Journal (article/letter/editorial) |
| Mechanical and hydraulic properties of residual dolomite and wad D. Swart, M.A. Dippenaar and J.L. Van...reserved. Abstract The properties of residual dolomite, sometimes termed wad, are variable and uncertain...represents the insoluble residue after dissolution of dolomite and is commonly found in the Neoarchaean Malmani...of South Africa. Results concur that residual dolomite is not typically dispersive, has low density that...sinkholes can possibly occur. Introduction Residual dolomite, occasionally termed ‘wad’ when possessing certain |
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| for successions of visitors to the classic Assynt area. In making this revision we have preserved as much...added - the interesting and neglected Loch More area, the Cam Loch Klippe. The igneous excursions have...Geological Map of the Stack of Glencoul 8 12 15 20 31 area 37 View showing the Ben More and Moine Thrusts...Sgonnan M6r syncline Geological Map of the Loch More area Geological Map of the Loch Borralan intrusion Geological...addition, Sheet 108 covers part of the Loch More area. (b) 1 :50,000 Ordnance Survey Map of Scotland, |
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| Stnm.RLA:-.DSHlRE. PLATE Thrust mass of Durness dolomite and limestone. DEPARTMENT OF SCIENTIFIC AND...p. 15. Chemical and Allied Industries, p. 17. Dolomite, p. 17. Iron and Steel Manufacture, p.18. Marble...23. Sedimentary Dolomite, p. 23. Metamorphic Limestone, p. 25. Metamorphic Dolomite, p. 25. Contact-altered...Contact-altered Limestone and Dolomite, p. 25. Calcite and Dolomite Veins, p. 26. Specific Gravity of Limestones...Inchnadamph; Sutherlandshire. Thrust mass of Durness dolomite and limestone . . . ... Frontispiece TO FACE |
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| Stnm.RLA:-.DSHlRE. PLATE Thrust mass of Durness dolomite and limestone. DEPARTMENT OF SCIENTIFIC AND...p. 15. Chemical and Allied Industries, p. 17. Dolomite, p. 17. Iron and Steel Manufacture, p.18. Marble...23. Sedimentary Dolomite, p. 23. Metamorphic Limestone, p. 25. Metamorphic Dolomite, p. 25. Contact-altered...Contact-altered Limestone and Dolomite, p. 25. Calcite and Dolomite Veins, p. 26. Specific Gravity of Limestones...Inchnadamph; Sutherlandshire. Thrust mass of Durness dolomite and limestone . . . ... Frontispiece TO FACE |
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| ............................................. Dolomite..............................................................:............ 30 Limestone and dolomite.......................................... Metamorphic......... Oneota dolomite.............................................. Shakopee dolomite.................... Montevideo area............................................... Granite Falls area................................................... Granite Falls area............................................. Renville |
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| shearing._________________ Gneisses of Forge Creek area. ___________ Amphibolite of Snake and Rich MountainsInterpretation...__________________ Southeast of the Iron MountainsShady dolomite (Lower Cambrian).___________ Description-.. _...-__-_-____-_-___ Shady Valley..._._._____._______ Damascus area..-_____-___-____.___ Doe River cove___________________...Cambrian) ___________________________________ Elbrook dolomite.______________________ Honaker dolomite_______...Holston Mountain fault._____-__-__--___--____-_ Outcrops of the fault._______________________ Overriding |
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| 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 |
