 | | Journal (article/letter/editorial) | | coating, or clear. Both weathered and unweathered glauconite pellets occur. Mollusc shells are rare to abundant...coarse, quartz sand and fine sand- to silt-sized glauconite. Updip, the basal part of the Calvert is a fine...distinguished. In downdip wells, a higher clay and glauconite content distinguishes the underlying Nanjemoy...glauconitic silt and medium to coarse quartz and glauconite sand, which in places becomes very coarse and...and shelly. Although some of the glauconite is unweathered, much of it is weathered, well rounded, and |  | | Journal (issue) | | (Sewickley) coal seam at the Central Ohio Coal Co. strip mine, Cumberland County, Ohio. Cady and Smith ( 1955)...bravoite and vaesitc from the Cave-in-Rock fluorspar district, southern Illinois: Mmcralium Deposlla, v 2. no...Athgarh Sandstone (Upper Goodwana), Cuttack District, Orissa (India): Sediment. Geo I.. v. 10, p. 61-75. LAND...minerals), dolomite, volcanic glass and ash, glauconite, relict components (black, corroded, bored shells...material are smallest. Relict components (Fig. 2j), glauconite (Fig. 2h) and phosphorite grains (Fig. 2k) are |  | | Book | | Feldspar, potash Feldspar, plagioclase Glauconite, single grains Glauconite, aggregates Gibbsite, vermiform...also contained some glauconite. Only 3 percent contained neither feldspar nor glauconite. Geographic trends...slightly clayey, medium to coarse, quartzose glauconite sand. It is coarse grained, slightly feldspathic...granules and small pebbles. The abrupt change to a glauconite sand from the underlying slightly glauconitic...bound¬ aries of the Deal are placed where coarse glauconite sand grains appear in more than trace amounts |  | | Report (volume) | | Formation 47 23. Photograph of Hays and Peterson copper mine on South Buffalo Fork 50 24. Photograph of Retort...the Teton Wilderness except one small gold-placer mine. Two copper mines operated during the early 1900's...about 1910 by the U.S. Bureau of Reclamation from a mine on Pilgrim Creek which is now within the wilderness...wilderness. Bentonite, gypsum, pumicite, phosphate, glauconite, building stone, and sand and gravel deposits...has been done. Except for one small gold-placer mine, there has been no economic exploitation of minerals |  | | Book (edition) | | Silicification of Carbonates, Authigenic Feldspar and Glauconite . . . . . . . Sulfides: Pyrite . . . . . . ....Equatability Association with non-carbonates Glauconite Phosphorite Biogenic silica Low-Mg calcite High-Mg-calcite...as well as from Pacific regions (Western Canada, India). In the Southern Hemisphere extensive temperate...Brittany (France), and the coast of the Troms District in northern Norway (Freiwald et al. 1991; Freiwald...cold-temperate calcareous sediments in the Troms District, Northern Norway. – J. Sed. Research, A68, 763-776 |  | | Book | | Sargent, John West, John Mahoney, Dr. Hardarshan Valia, Mohamed Bukhari, Dr., Hamed K. Mohamed, Jay Leonard...preserved) in phyllite from the old Worcester coal mine (Grew and others, 1970). The better preserved fossils...1970, Age of plant fossils from the Worcester coal mine, Worcester, Massachusetts: Am. Jour. Sci., V. 268...Geology of the Dorchester Tunnel: Metropolitan District Commission, p. , i+Lj. Sayles, R.W. , 191^^...archeology of a site on Boylston Street in the Back Bay District of Boston, Massachusetts: Phillips Acad., Andover |  | Taylor, G. H., Teichmüller, M., Davis, A., Diessel, C. F. K., Littke, R., Robert, P. (1998) Organic Petrology. Gebrüder Borntraeger, Berlin. | Book | | a Sigillarian forest was exposed in the Ruhr District in which upright, petrified stems having heights...Dolomitic coal ball from the Katharina seam, Ruhr District. Thin section 2 x. Fig. 2.4. Petrified Carboniferous...dolomitic coal ball from Katharina seam, Ruhr District. Thin section, Milar, 11 x. 9 10 The origin...then existed in what is now Antarctica, Australia, India, South America and southern Africa. In the Mesozoic...100 m) Miocene soft-brown coal of the Cologne District was deposited in deltas of a steadily subsiding |  | | Book | | OHdSOHd 'ON 14 T*T*I*oT SI 3WOS *9A79 GWOHY *ATYV3d-VALIA “ASH *SLIGVH IX WNODTUL SNOIUVA 189 LZ *yxaH (VINWOSTIVS...0 Erionite..ca-(Na,,K,,Ca,Mg),, -AlgSi poe Glauconite..(K,Ca,Na) (Al ,Fe,Mg) Epidote..Ca,(Al ,Fe)Al...Jarosite. .KFe,(S0,,) (0H), Glaucodot..(Co,Fe)AsS Glauconite..(K,Ca,Na) (Al ,Fe,Mg), Mics) (Aly 36813 .66%}...(Al 1.5"90.5 Leonite.-K,Mg(S0,,),°4H,0 6) Glauconite..(k,Ca,Na) (Al,Fe,Mg) ++K,Ca,Cu(SO,),,°2H,0...Edenite--NaCa,Mg,Al$i ++ Nag (Mn Fe,Ca),,H(PO,), °H,0 Glauconite..(K,Ca,Na)(Al,Fe,Mg)) Dachiardite -- (Ca,K, |
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