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| with additional data on each sample including locality, general appearance and mineral association. In...cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR |
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| No. 17: Apatite The Great Pretender ISBN: 978-0-9836323-3-7 Publisher Lithographie, Ltd. Denver, Colorado...the United States of America PHOTO CREDITS Cover Apatite on muscovite, 6.4 cm tall Chumar Bakhoor, Hunza-Nagar...collection, Jeff Scovil photo Title (facing) Page Apatite rough (3.7 cm tall) and cut (24.61 carats) Cerro...collection, Jeff Scovil photo Page 2 Plate 81 "Apatite" from Reinhard Brauns' (1912) The Mineral Kingdom...supported publication of Apatite-The Great Pretender. Plate 81 "Apatite" from Reinhard Brauns' (1912) |
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| Kilda is based on the core compositions of the plagioclase crystals, a procedure proposed by Brown (1956...layered rocks of Ehum. Ultrabasic rocks contain plagioclase in which the core is more calcic than An 80 ;...intercumulus pyroxene crystals which, enclosing both plagioclase and olivine, appear on weathered surfaces as...Biotite Chlorite Ore Minerals Plagioclase Alkali Feldspar Quartz Apatite Locality (Number) ROCK TYPE Modal...either these are blocks transported from another region of the intrusion, or crystallization has obliterated |
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| work in the region............................................... The limestones of the region..................................... The Port Henry type locality............................................................................... The Keene type locality.................................................it was stated that the general geology of this region consisted of (A) a series of quartz-orthoclase...hornblende or biotite or augite and at times much plagioclase; (B) a series of crystalline limestones often |
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| Gabbro is a dark igneous rock composed chiefly of plagioclase feldspar, pyroxene, and/or olivine. '.Then subjected...the par ents of some of the biotite-quartz-plagioclase paragneisses and migmatitic granitic gneisses...introducing the reader to the general geology of the region. More elaborate descriptions are avail able in...schists) brought several early iron mines to that region. The Dickson, Wight, Sterling, and Caledonia pits...York State Museum in Albany. The Muscalonge Lake locality, discovered forty years earlier, was quite similar |
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| ...................................6 Tectonic province nomenclature ...................................Cultana .......................113 Stuart Shelf region ........................................................146 Curnamona Craton and Mount Painter Province .............................147 Geology of...understanding of the geological evolution of any particular region. Commonly, critical information which may either...before present. 1 Special features of this province include sedimentary magnesite deposits, a diversity |
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| ......................... 11 Biotite-quartz-plagioclase gneiss....................................................... 12 Cordierite-biotite-quartz-plagioclase and cordierite-garnet-biotite gneiss...........Cordierite-garnet-sillimanite-biotite gneiss + K-feldspar + plagioclase................................... 15 QUARTZ-BIOTITE............................................23 PLAGIOCLASE...........................................................................................26 APATITE. ZIRCON, AND XENOTIME-MONAZITE ............... |
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| Major elements in wt. %, trace elements in ppm. Locality eliv Øímo- Ceto- Vlastì- Kácov Mladá Trhový...and F or P contents. 4. Mineralogy Feldspars Plagioclase and K-feldspar are, together with quartz, the...(based on 46 positive charges) of micas. Mica Ms Locality Psárov Sample SiO2 Al2O3 TiO2 FeO MgO MnO CaO...orthogneisses (F and Li2O in wt. %, other in ppm). Locality No. F Li2O Sr Ba V Be Zn Rb Cs eliv...orthogneisses. In two-mica and muscovite orthogneisses apatite is also common, but substantial part of phosphorus |
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| The History of Lord Hill, Black Mountain, Mount Apatite, and Nathaniel H. Perry . ............................. 341 Neil A. Wintringham Maine Mineral Locality Index ..........................................Bennett pegmatite, agreed to write about that locality. Carl Francis, curator of minerals and meteorites...basin, such as is forming today in the Red Sea region of the Middle East. Continental margins which are...bordering the ancestral Atlantic Ocean (Penobscot Bay region) Approximately 650 m.y.: Episode of metamorphism |
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| composition of outcropping phosphorite in the Turayf region, northern Saudi Arabia, by J. B. Cathcart__ Al...H. Carr__________ Mineralogy of a rutile- and apatite-bearing ultramafic chlorite rock, Harford County...Geological Survey, indicates that the flint clay from a locality-1 sample (fig. 1) contains about 15 percent quartz...COMPOSITION OF OUTCROPPING PHOSPHORITE IN THE TURAYF REGION, NORTHERN SAUDI ARABIA By JAMES B. CATHCART, Denver...Where more than one sample was taken at a single locality, both calcareous and siliceous types are C4 IRAQ |
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| similar phenomena. From a careful study of the region as a whole, we are now in a position to state,...consider the general structure there as typical of the region elsewhere. The island consists essentially of a...paper was illustrated by charts and maps of the region under discussion and by sketches of many of the...therefore have the general structure of the morainal region of the coastal plain; the uniform coincidence of...considered as isolated from the remainder of the region and as due to a different cause. The writer failed |
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| mineral group or species: AM amphibole OX oxide AP apatite PX pyroxene C carbonate S sulfide FS feldspar...Synthetic Apatite APCL APFD APRE APSF Chlorapatite, Synthetic Fluor-apatite, Durango, NM REE-apatite, Synthetic...Strontianite Feldspar *FSBO Benson Orthoclase *FSLC Plagioclase, Lake County, Oregon *FSNA Nunivak Anorthoclase...Code: AMCM 18-APR-85 Standard: Cummi ngtonite Locality: Mikonui River, New Zealand Donor: Wm. Melson...1 of 2 Mnemonic code: AMEN 26-MAR-85 Standard: Locality: Engel's Amphibole Donor: C.O. Ingamells to |
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| sediment bed had the same width and length. The region scoured out upstream of the blunt-nose was more...potential theory, ,vith the exception of a thin region near the surface where viscous forces are large...diffusion from the region of intense vorticity, the strength of the vorticity in this region would rise indefinitely...of gusty ,vinds over fresh sno,v-falls (in the region where ..\lien took his photographs) indicates that...from type locality near Tavernier, Florida. Key Largo Limestone. Clean coral from type locality near Tavernier |
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| resemble those seen on galena. Apatite The classic yellow apatite locality at Cerro Mercado, behind the...ordinarily used for this purpose will attack the apatite. In size, the largest crystals are about 1"- 1...specimens of another type show bright yellow prisms of apatite jumbled together in a "conglomerate" in which the...though scarce, cannot compare (and indeed, what locality can!) with the magnificent masterpieces from Cornwall...found anywhere. Hematite (Martite) The ye llow apatite local ity of Cerro Mercado, Durango, a lso produces |
