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| carbonate and epiclastic rocks Cretaceous and Lower Tertiary volcanic rocks Pre-Campanian Bermeja complex...occurrence of amphibolite in the Bermeja Complex, but Renz and Verspyck (1962) were first to describe amphibolite...elements from the gneissic amphibolite plotted on the lower hemisphere of an equal area projection. A. Poles...quartz-albiteamphibole-(epidote), (3) albite-amphibole(epidote-prehnite), and (4) sodic oligoclaseamphibole-(chlorite)...the following assemblages: (1) prehnite-arnphibole-(sphene), (2) prehnite-amphibole-chlorite-(epidote) |
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| meso-autochthonous sediments of Middle Cretaceous to Lower Tertiary age. In the Eohellenic Nappe, as well as...the beginning of this century (Philippson 1901; Renz 1927; Marinos & Papastamatiou 1938, 1940; Papastamatiou...Hellenides in the Sporades region were expressed: Renz (1940) believed that the whole archipelago was part...pelagic sediments which were overthrust during the Lower Cretaceous. The latter constitute the Eohellenic...coarse quartz-conglomerates and meta-arkoses in its lower part. On Skiathos and in the Sarakiniko mountain |
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| metavolcanics, and cherts (Mattson, 1960,1973; Renz and Verspyck, 1962; Tobisch, 1968; Volckmann 1984b...episode is represented by red ribbon chert with Lower Jurassic radiolaria found in the northern Sierra...north or south (Montgomery et al., 1994a). The Lower Jurassic chert is especially important, because... 1994b). (3) A third episode of Hauterivian to lower Albian age, suggesting bathyal depositional environments...amphibolite, or greenstone (Mattson, 1960, 1973; Renz and Verspyck, 1962; Tobisch, 1968; Mclntyre, 1975; |
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| by laumontite, pumpellyite, prehnite, or serpentine/talc. Only prehnite-bearing assemblages have been...of the zeolite facies (ZEO), prehnite actinolite facies (PrA), prehnite pumpellyite facies (PP), pumpellyite...laumontite (Lm), lawsonite (Lw), pumpellyite (Pm), prehnite (Pr), and zoisite (Zo). Modified from Liou et...laumontite, Lw = lawsonite, Pm = pumpellyite, Pr = prehnite, Zo = zoisite. diagram does indicate the relative...2003), is lodged between analcime-bearing and prehnite-bearing rocks. The transformation of analcime |
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| lithology ______ Upper zone ________ Middle zone ______ Lower zone ____ Saprolite and basalt Paleontology _________...silt; and the lower zone (349-457 m) contains soft, unconsolidated, clayey sand. Below the lower zone, a saprolite...inferred to extend to a depth of about 85 m. A Lower Eocene section 25 m thick is defined on the basis...1964, 1972). Fourteen deep boreholes drilled on lower Cape Cod penetrated as much as 137 m of glacial...the drilling of the saprolite and basalt in the lower part of the borehole and during the final logging |
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| contact with foliated serpentinite. The southern quarry exposes fine-grained diabase or gabbro, in places...anthophyllite up to 10 cm thick extend the length of the quarry, about 10-15 m. Smaller quartz, epidote, and calcite...crystals usually unzoned, in some cases replaced by prehnite or by hydrogrossularite. The pyroxene in some...chlorite. The analysis of a specimen from the northern quarry at Mayaguez (PR42, Table 1) is similar to that...Plate 1): PR42—Spilite from the Bermeja complex; quarry on Route 106 1 km east of Mayagiiez PR336—Amphibolite |
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| Venezuela. Discussions with P. Leuzinger and H. H. Renz of the Mene Grande Oil Company, G. R. Heyl, E. Foley...particularly beneficial. A. N. Dusenbury (Creole), H. H. Renz (Mene Grande), P. Bronnimann to Cyi to LOCATION...and conglomerates in the hand specimen. In the lower part of the formation there are a few thin beds...largest pebbles ob- metatuffs were observed in the lower portion of served are about 3 cm in diameter. The...volcanic sequence and the Paracotos formation. The lower and middle portions of the rock sequence included |
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| Direccion Dissert____ Dissertation dist_______ district distrib_____. distribution Div______ division...report on the cobalt deposits in the Blackbird district, Lemhi County, Idaho/: Idaho Bur. Mines and Geology...Geology of the gold-bearing lodes of the Eocky Bar district, Elmore County, Idaho: Idaho Bur. Mines and Geology...Quicksilver and antimony deposits of the Stayton district, Calif.: U. S. Geol. Survey Bull. 931-Q, p. iv...1942. 2. Quicksilver deposits of the .Parkfield district, Calif.: U. S. Geol. Survey Bull. 936-F, p. iii |
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| Stratigraphy, petrography, and structural development of Lower Cretaceous (Albian\ to Holocene rocks and sediments...OF THE COAMO AREA, PUERTO RICO The Paleocene to lower Eocene Raspaldo Formation is a sequence of marine...limestone resting uncomformably upon Cretaceous to lower Eocene rocks. It is principally composed of fragments...along some streams, and colluvinm blankets the lower slopes of many large stream valleys'. Intrusive...high laumontite zone,? of the zeolite facies, the prehnite-pumpellyite metagraywacke facies, and locally |
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| on July 10, 2015 VENEZUELAN COAST RANGES at two lower levels" at 400 to 500 m in Lake Valencia valley...Cretaceous submarine volcanics J-? U. lurassic- Lower Cretaceous ~narine deposits Jurassic Pre Mesozoic...Metamorphism: the rocks of element a were metamorphosed to prehnite-pumpellyite facies (Tiara Fm) and to blueschist...epidote, chlorite, calcite, green Caamphibole, prehnite, pumpellyite and stilpnomelane. Rocks in the Villa...(1968), Shagam (1960) and Seiders (1965). Isograds (prehnite to lawsonite; first appearance ofglaucophane) |
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| T.J. CHAPMAN: A guide to the structure of the Lower to Middle Devonian Staddon Grits and Jennycliff...Sound, Devon. C.J. POUND: The sedimentology of the Lower-Middle Devonian Staddon Grits and Jennycliff Slates...Dartmoor. G.R. WARD: Bertrandite from Hingston Down Quarry, Calstock, Cornwall. D. CRESSWELL: Deformation...south-west Devon. (Abstract) K.M. EVANS: The Marine Lower Devonian of the Plymouth area (Abstract). LP. TUNBRIDGE:...Carboniferous by Ramsbottom (1979) and for the Lower Palaeozoic by Legget et al. (1981). Details relating |
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| borate known only from the Fuka mine, a marble quarry in Bicchu-cho near Takahashi, Okayama Prefecture...radiation. The RI, birefringence and SG values are all lower than those reported for parasibirskite (Kusachi...location, even if the sample’s SG was slightly lower. A search of the Mindat and Webmineral online databases...08 and 2.24 ct, are reportedly from the Kasula District in western Tanzania. Photo by J. Štubňa. Yellow...yellow opal samples reportedly from the Kasula District in the Kigoma region of western Tanzania, which |
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| photographs clearly outlined the contrast between lower and upper structural levels. While DIENER (1895)...to (?) lower Maestrichtian. In the Hawasina melange matrix a planktonic Cenomanian to (?) lower Turonian...nappes, including the melange sheet, falls between lower Turonian and middle Maestricbtian times. Unlike...incorporated as olistostromal zones within the Eocene and lower Oligocene flysch. This fact is typical in the whole...amn1onites and resembling the Adneth facies of Austria. Again of a most peculiar and otherwise unknown |
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| 179 231 Verdite Zircon 205 Sphene 178 Prehnite Spectrolite (Labradorite) Sphalerite (Blende)... Part One: Introduction Portrait of Elizabeth of Austria by Francois Clouet Musée Condé, Chantilly. Photo:...nevertheless less attractive and their price is lower. Less valued gem species are cut and marketed only...depicting Socrates. Height: 25 mm. Private collection. Lower left: A nineteenth-century gold ring with a jasper...Probably Mogcl. Height: 22 mm. Private collection. Lower right: A carnelian intaglio from the end of the |
 | Shagam, R., Hargraves, R. B., Morgan, W. J., Houten, F. B. Van, Burk, C. A., Holland, H. D., Hollister, L. C. - Eds. (1972) Studies in Earth and Space Sciences. GSA Memoir 132. Geological Society of America doi:10.1130/mem132 | Report (issue) |
| The number probably will drop off to some much lower steady-state value. It appears that the extremely...“pipes” in the rigid middle mantle and that very hot lower mantle is coming upward in these pipes and being...to fill the void created below in the more fluid lower mantle, and this rigid middle mantle is being added...may push down onto a hard bottom surface. If the lower surface supports part of the weight of the sinking...the mantle is necessary to remove heat from the lower mantle. The near equality of the oceanic and con¬ |
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| the pattern extends from 11 to 5c. (32 to 16 Ma) (Lower Oligocene to early Middle Miocene). However, the...formed by the Upper Cretaceous through Oligocene to Lower Miocene Rajang Group flysch (Figure 1). In Sarawak...predominantly throughout the Oligocene into the Lower Miocene and spectacular uplift in the Middle Miocene...the west, the best karst hills are in the Bau district (Figure 9), with extension towards Serian. Southwards...Pinoh Metamorphics is uncertain (Tate, 1991), but Lower Carboniferous to preCarboniferous is generally held |
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| Germany, the German Democratic Republic, Poland, Austria, Switzerland, Czechoslovakia, the Netherlands and...Precambrian—Lower Cambrian basic volcanism of the epimetamorphic series Metallogenesis related to Lower Cambrian... SEs phic series . 3 Metallogenesis related to Lower @rboniferous acid volcanism of the Hercynian epimetamorphic...deposits Metallogenesis associated with Upper Jurassic-Lower Cretaceous __ basic initial magmatism Metallogenesis...Dinaric metallogenic province The western Macedonian district Iron ore deposits . Manganese ore deposits Molybdenum |
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| development diagram, etc. Direcci6n Dissertation district distribution Division Doctoral, Document Doctoral...Preliminary report on the geology of McElroy Township, district of Tirniskaming [Ontario]: Ontario Dept. Mines...developments in the Wisconsin-11 linoislowa lead-zinc district: Iowa Acad. Sci. Proc. 1946. v. 53, p. 225-231...reconnaissance in the Little Wood River (Muldoon) district, Blaine County, Idaho: Idaho Bur. Mines and Geol...reconnaissance of the Hailey gold belt (Camas district), Blaine County, Idaho: Idaho Bur. Mines and Geol |
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| 20, ECORS-CROP) eontain a new set of data on the lower erust whieh has been interpreted in different ways...eurrently fashionable model depiets the European lower erust (ELC) as gently dipping below the Adriatie...shallow level (Extern al Massifs); the stacks of lower crust imbrications at the intermediate level may...results were obtained which showed a clearly defined lower erust under part of the Alps. Participants in the...vertical ruling = the main - considered to be the lower crust, based on the migrated elements of the Western |
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| Nan-ling District (China) USE Nan-ling Region (China) Nan-ling Region (China) UF Nan-ling District (China)...1808-1815 [DG848.45] -War of 1815 [DG848.45] BT Austria—History—1789-1815 Italy—History—1789-1815 -Revolution...1805 -Austria NT Aspem-Essling, Battle of, Austria, 1809 Dtlmstein, Battle of, 1805 Graz (Austria), Battle...Hollabrunn (Hollabrunn, Austria), Battle of, 1805 Sankt Michael in Obersteiermark (Austria), Battle of, 1809...1809 Tyrol (Austria)—History— Uprising of 1809 Wagram, Battle of, 1809 -Belgium NT Ligny (Belgium), Battle |
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| G. E. G. WESTERMANN, and 107 J. H. CALLOMON Lower Jurassic 247 Middle Jurassic 253 Upper Jurassic...region 308 J. H. CALLOMON, a n d R. L. DETTERMAN Lower Jurassic 342 Middle Jurassic 345 Upper Jurassic...that the late Volgian was a time equivalent to the lower Berriasian; therefore, the interval of time of 130-135...is a biotite with a potassium content slightly lower than 2.2wt% K. The reliability of that age is highly...considered suspect if its potassium content is lower than 6-6.5%, and it is worth noting that the altered |
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| section of the Gubik Formation exposed along the lower Colville River, North Slope, by R. E. Nelson --... by Thomas P. Miller and Marvin A. Lanphere __ Lower Paleozoic platform carbonate sequence in the Medfra...Southwestern Alaska._____________________________________ Lower Paleozoic radiolarian chert and associated rocks...lode gold deposits in the Hope-Sunrise mining district, northern Kenai Peninsula, Alaska, by Miles L...from Saddle Mountain in the Iniskin-Tuxedni area, lower Cook Inlet, Alaska, by Robert M. Egbert--------------------- |
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| Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West First Street...are also sold at the Los Angeles and Sacramento district offices. ; ; ; In addition to oral conferences...maximum depth of 5 8 fathoms, probably formed by the lower sea level of the last glacial epoch (Wisconsin)...large nodules of phosphorite were found at Lomita quarry in a matrix of glauconitic foraminiferal sand,...grade less than that of the river, so that its lower portal is about 250 feet above the West Point powerhouse |
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| HÖLZEL-Code" sowie ben worden - überfällige, nun- renz zur entsprechenden Kristall- international noch...Apophylli t-Kristalle vom Dorf Momin Akhada (Ramuki District, Ahmednagar, Maharashtra, Indien) zu sehen ein...Gruppen von 5 bis 20 Kristall en zusammentretenden Prehnite ei nen Pa rkett-artigen Ein druck hervorriefen |
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| Sabanilla unit 19 Four Cordillera Real: Jurassic-Lower Cretaceous rocks 22 Amazonic craton 22 Santiago...Moromoro granites 66 Piedras arnphibolites 68 Jurassic-Lower Cretaceous rocks 69 Palenque unit 69 El Oro ophiolitic...history 76 Correlation 76 interpretation 76 Jurassic-Lower Cretaceous history 77 Correlation 77 Interpretation...Guamote terrane rocks 43 9 Serpentinites 46 10 Lower Cretaceous ammonites 49 11 Cretaceous and Cenozoic...Geochemical plots for granitoid rocks 20 Jurassic-Lower Cretaceous rocks and terranes of Ecuador 23 Geochronology |
