 | | Journal (article/letter/editorial) | | at 14:35 04 June 2016 New York City, New York County, New York State T he minerals of the garnet group...representative of a garnet from Deshong’s quarry, Delaware County, Pennsylvania, that can barely be considered almandine...andalusite, sillimanite, chlorite, muscovite, biotite, and the plagioclase, amphibole, and pyroxene families...found at several mines near Topsham, Sagadahoc County, Maine, particularly the Standpipe Hill quarry...collected at Mount Apatite near Auburn, Androscoggin County; and the Bumpus quarry, ROCKS & MINERALS 244-253 |  | | Journal (article/letter/editorial) | | studies of about 250 specimens of phlogopite, biotite and manganophyllite, of which 63 have been chemically...is normal to (010), as is also the case for the biotite variety, anomitel and (4) lJayer polymorphs nearly...which corresponds with the orientation of the biotite variety, meroxene. IxrnooucuoN Systematic variations...results it seemed desirableto investigate the biotite-phlogopite seriesin a similar manner in the hope...We have obtained over 60 analyzed specimensof biotite, phlogopite and manganophyllite (which we consider |  | | Journal (article/letter/editorial) | | The kyanite described in this article was found north of the village of Dervishka Mogila, on Mt. Sakar...staurolite porphyroblasts, as well as flakes of biotite and muscovite streaked with quartz (fig. 1). The...developed. The crystals vary up to 3 cm in length. The biotite is fresh, and shows brown and orange pleochroism...and staurolite porphyroblasts, and also in the biotite laminae, the sporadically encountered interlayed...minerals is as follows: garnet 4 staurolite ÷ biotite .÷ quartz. muscovite Translated from Genezis distena |  | | Journal (article/letter/editorial) | | pulaskite and pseudoleucite porphyry cuts much of the north half of the pluton. Vesuvianite occurs in syenite...crestover an area approximately 1.3by 0.4 km in the north-centralpart of the Kachauik pluton (Fig. l). Extensivefrost...(An.o"r); quartz ranges up to 5 volume percent. Biotite is rare, and melanite garnet is locally present...hornblende, and lesser amounts of green clinopyroxene; biotite is present in minor amounts, generally as a replacement...vesuvianite in nepheline-syenitic rocks of the Fukushinzan district, Korea, with general mnsideration of the relation |  | | Journal (article/letter/editorial) | | 378 is undoubtedly the Hahns Peak area in Routt County, northern Colorado. It is not usually especially...success. He has cabochons of moonstone from Stephens County, which are unusually good ; also, rutilated rose...near the new waterworks dam at Mountain Ciy, Rabun County, Ga. He has a yellow cabochon of unusual beauty...Rabun County. The prize of the lot is opalescent rose quartz from the Kell mica mine in Rabun County. This...son, while fishing along Big Walnut Creek 5 miles north of Greencastle, Ind., noticed a band of shale about |  | | Journal (article/letter/editorial) | | contact zone between crystalline limestone and biotite granite intrusion. Vesuvianite forms acicular aggregates... (1954), structure Machatschki, vesuvianite Korea, synthesis, 55, Japan, and (in sectorial ...(1970), Amer. (1934), Jour. Katayama, (1951), Fukushinzan J. E. chemistry, Kamiyama, 2, the 51•`57 |  | | Journal (article/letter/editorial) | | in calc-alkaline granites is usually located in biotite, with lesser amounts in hornblende, muscovite,...(apogranites). Geothermometry based on F / O H ratios of biotite seems invalid for granitic series. The stability...and promotes quartz, topaz and feldspars above biotite in the order of crystallization. F increases the...Differences within provinces, e.g. the Gardar province, SW Greenland, represented by columns 1, 2, 3...(Gerasimovskii, 1969); 4 = Fukushinzan complex (Saito, 1950); 5 = Oslo province (Barth and Bruun, 1945}; |  | | Report (issue) | | (-1.00)- (-1.30) Phlogopite 3.00-2.85 Mg biotite Fe+2 biotite <+0.50 (-1.00)-(-1.50) 2.90-2.65 Siderophyllites...noticed, however, that in formulas calculated from biotite analyses, the number of occupied octahedral positions...this low octahedral occupancy he postulated that biotite is intermediate between phlogopite and muscovite...to 1 of muscovite, which yields a formula for biotite of: 0.00 -1.00 [(Alp.67Mg2.oo) (Sia.ooAlj.oo)...siderophyllite and in the formula suggested by Holzner for biotite, trivalent octahedral ions are accommodated in |  | | Journal (article/letter/editorial) | | garnet into large-aperture, fluid-filled fractures, north-eastern Connecticut, USA I . 1. AGUE Department...hydrothermal veins from the Merrimack synclinorium, north-eastern Connecticut, has been carried out in order...Na,O K?O F CI Total 0.46 0.40 %.87 Table 1. Biotite analyses. Structural formula ( 1 1 0) Si Allv...0G IC A L S E 11I N G The field area, located in north-eastern Connecticut, is Part of a highly deformed...orogeny. Throughout much of central Massachusetts and north-eastern Connecticut, metamorphic grade reached the |  | | Book | | 138 139 Brazil Paraguay Peru 139 140 China Korea (North) 141 141 Republic of Indonesia Turkey 142...The commonest mica in feldspathoidal rocks is biotite, a dark-coloured hydrated aluminosilicate of iron...sodalite-bearing nepheline-syenite, while miaskite is a biotite-nepheline-syenite carrying microperthite and minor...decomposition of complex minerals, like amphibole or biotite, and also in the breakdown of high-pressure minerals...plagioclase with or without nepheline, with biotite or hornblende, provided under the microscope |  | | Journal (article/letter/editorial) | | assemblages, e.g. olivine–pyroxenes and amphibole–biotite, records in detail the evolution of the Neogene...clinopyroxene; Ep: epidote; Grt: garnet; Mic: biotite–phlogopite; Ol: olivine; Opx: orthopyroxene; Oxf:...well represented south of the study zone, but not north thereof. Therefore, our mineralogical data indicate...source is mainly represented by hornblende and biotite. Hornblendes s.l. are present in most of the sandstones...both formations reflects weak sediment transport. Biotite is present in all the samples from the Latagualla |  | | Journal (issue) | | S. E. Ellis.] SYNOPSIS The crystalline rocks north of Milton, Glen Urquhart, consist of a sedimentary...with which this study is concerned lies on the north side of Glen Urquhart between Polmaily House and...village, and covers about two square miles. On its north side the glen rises steeply from the alluvial flats...begins to swing round and soon resumes the normal north-east and south-west which direction." " The structure...rocks are folded on axes running approximately north-west, and are usually Near the centre of the outcrop |  | | Report (issue) | | Occurrences in the Petaca District, Rio Arriba County, New Mexico by ALLEN FRANK COREY 1960 STATE BUREAU............. 10 10 10 10 14 15 16 18 18 19 19 Biotite schist ..........................................of kyanite deposits, Petaca district, Rio Arriba County, New Mexico .....................................Petaca district, in north-central New Mexico, are approximately 55 airline miles north of Santa Fe. They...kyanite schist, metaconglomerate, garnet schist, biotite schist, amphibolite, pegmatite, and quartz (as |  | | Report (issue) | | ________________________________________ Stratigraphy Biotite gneiss _____________________________________ Muscovite...rocks__________._____-___________ Graphitic schist Biotite-quartz syenite and aplite____ _ Pegmatites and...Slate __ . Halifax County Other localities North Carolina Hagers Mountain, Person County.- _.______ Corbett...Corbett deposit, Johnston County Burnsville-Swannanoa area, Buncombe, Yancey, and Mitchell Counties ________...________ ____ Rutherford County Other localities North Carolina-South Carolina Kings Mountain district, Cleveland |  | | Book (volume) | | Olivine, melilite basalt, Spiegel river, Cape Province (Mathias, 1949). 86-0 140 Anal. Anal. M. L>...12. Olivine, melilite basalt, Klaasvoogds, Cape Province (Mathias, 1949). Anal. Geochemical Laboratories...intrusions from the Tertiary Olivine 25 Hebridean province vary in composition from Fo93 to Fo83 (Drever..., 1958. Ring complexes in the younger granite province of Northern Nigeria. No. 1. Johnston, R., 1953...1940. Occurrence of fayalite in some dacites from north Izer and adjacent areas. Journ. Geol. Soc. Japan |  | | Journal (issue) | | ·-··············· 467 llUBIES OF COWEE VALLEY, NORTH CAROLINA. By Melbourne S1nith ·················...Boulder Bec!ch on Lake Mead. Nevad~ The Clark County Gem Collectors, Inc. (Paul 0 . Drury, Publicity...wanted to go prospecting in some remote part of the North Woods Possibly in Canada. I had traveled through...and Kirkland Lake districts which were farther North. I wrote to the Ontario Department of Mines and...restaurants and ex. pensive dishes. I'll take the North Woods, a campfire and the ants for company. H ere |  | | Book (volume) | | M““^Perthite- nepheline-syenite, Fukushin-zan district, Korea (Yoshizawa, 1933). Anal. H. 3. Microcline perthite...perthite, pegmatite, S. of Iron Creek, Pennington County, Black Hills, S. Dakota (Higazy, 1949). Anal. R...0-085 _ 0-003 1-621 0-088 — 2-347 — I'JO/J. Korea . 6. 5 California (Hamilton & Neuerburg 1956)...(“potash—anorthoclase”), tuffaceous liparite, Taiji Kii province, Japan (Kimizuka, 1932) (Includes P2O5 0-03)....haematite and a liquid. In a study of synthetic biotite in the system K20-Si02-Fe-0-H20, Wones and Appleman |  | | Book (volume) | | 1940). Anal. W. F. Foshag. pyroxenite, Webster, North Carolina (Hess, 1952). Anal. L. C. Peek. peridotite...of successive zones of hornblende and quartz, biotite and iron ore, and garnet and quartz, are developed...basic magma, many norites, e.g. the cordierite and biotite norites of the Haddo House complex, Aberdeenshire...diopside-salite clinopyroxenes, brown hornblende, biotite or garnet. In the charnockite series of Madras...not by the orthopyroxene but by the formation of biotite or magnetite. Orthopyroxene is a typical mineral |  | | Book (volume) | | Anthophyllite, anthophyllite-cordierite rocks, north Krivoy Rog district, USSR (Gorosnikov & Yur’yev...gedrite and also cummingtonite, plagioclase, quartz, biotite and rutile. Post Pond Volcanics, Vermont, USA (Spear...cordierite-amphibole-bearing rocks, Outokumpu, North Karelia, Finland (Treloar & Putnis 1982). (Includes...also cummingtonite, garnet, plagioclase, quartz, biotite, ilmenite and tutile. Post Pond Volcanics, Vermont...1980). 15 Anthophyllite, metagabbro, Hastings County, Ontario (Tilley 1957). (Includes Cl 0.06) 16 Anthophyllite |  | | Journal (article/letter/editorial) | | sillimanite is associatedwith orthopyroxene,q\aftt, biotite, and plagioclasein a magnesian quartzite (MgO :... quartzites,and gneisses.Garnet, sillimanite, biotite, cordierite, spinel (and rare corundum), sapphirine...and Sweatman,1968;Dougan, 1974). limanite and biotite as well (Table 2). Six of the In the StrangwayRanges...locality 2064. Quartzite containing sillimanite and biotite from locality 459, Reference Peak, south of Amundsen...Ehopyroxene Cordierite Zircon/Monazite Rutile Biotite Anph ibo le Trace * Probe analysis - Oprical |
|
