 | | Report (issue) | | ......................................... 9 Ilmenite ................................................general, progressive from south to north) if the locality is described in the text or table 1. Most of...region (diamond locality 10) and noted the association of diamonds and magneto-ilmenite (Terpstra, 1937...diamonds are only meager clues in the search for new or undeveloped deposits. The kiraberlites noted in...the map. Kimberlite indicator minerals, picro-ilmenite and(or) pyrope garnet, are generally abundant |  | | Journal (article/letter/editorial) | | andalusite, kyanite, Cr-rich staurolite, tourmaline, ilmenite, rutile and corundum in a variety of parageneses...Dum = Dumortierite Gran = Grandidierite Ilm = Ilmenite Rut = Rutile Zir =Zircon Ap =Apatite INTRODUCTION...localities are summarized in Table 1. !Sample PLO55 (locality A) is from a small Occurrence in a unit consisting...Bamble sector. Samples BD 031-033 and D V 042 (locality B) are from a lens-shaped body, within a sequence...n u - l5g. 3. Reaction textures in PI 055, locality A. Cordieritc (stippled) formed between kyanite |  | | Journal (article/letter/editorial) | | 1987 F e - M n partitioning between garnet and ilmenite: experimental calibration and applications Mark...University, Canberra, A.C.T., Australia Abstract. A new mineralogic geothermometer based on the partitioning...partitioning of Fe and Mn between garnet and ilmenite has been calibrated by reversal experiments in the P -...to natural assemblages reveals that the garnet-ilmenite geothermometer yields temperatures that agree...of, and relatively rapid F e - M n diffusion in ilmenite may lead to retrograde resetting of high temperature |  | | Journal (article/letter/editorial) | | associated with quartz and, to a lesser extent, platy ilmenite and goethite pseudomorphing chalybite. Crocidolite...relates how he found the specimen in 1940 at a locality some 10 miles south of Sultan Hamud railway station...at Masokani Hill and been taken to the second locality by the local inhabitants. The original specimens...o n s the riebeckite, crocidolite, a n d ilmenite locality as comprising infilled a n d overgrown excavations...with crocidolite, goethite after chalybite, a n d ilmenite is suggestive of a b a n d e d ironstone paragenesis |  | | Journal (article/letter/editorial) | | such as plagioclase, and/or titanite coronas on ilmenite. Petrographic homogeneous compositions, identification...assemblages. The distribution of two-pyroxene ±ilmenite (titanite-absent) localities defines two principal...homblende-epidote-titanite locality orthopyroxene-cl inopyroxene ±ilmenite locality foy Bay fT.^r:. 20 ...granular, contain ortho- occur throughout the matrix. Ilmenite, which is a pyroxene — clinopyroxene — hornblende...the granulite-facies — quartzofeldspathic pods ± ilmenite ± quartz ± bio- rocks of the study area, is generally |  | | Report (issue) | | Altaite, bornite, chalcopyrite, chromite, cubanite, ilmenite, mackinawite, magnetite, niccolite, pentlandite...and olivine (Fo71-86), also accessory chromite, ilmenite, magnetite, and graphite. Local phases are ultramafic...mid-Tertiary age of about 30 Ma is consistent with new data reported by Goldfarb (1997) and with Ar-Ar dates...Other: Co, Fe, PGE, Ti Ore minerals: Chalcopyrite, ilmenite, magnetite, pentlandite?, pyrrhotite Gangue minerals:...vein of pyrrhotite with some chalcopyrite and ilmenite (Kimball and others, 1978, p. C106-107). The samples |  | | Book | | Reese Henley NOSTRAND REINHOLD COMPANY SEE VAN NEW YORK CINCINNATI ATLANTA DALLAS SAN FRANCISCO LONDON... Van Nostrand Reinhold Company Regional Offices: New York Cincinnati Atlanta Dallas San Francisco Van...Nostrand Reinhold Company 135 West 50th Street, New York, N.Y. 10020 Published simultaneously in Canada...(probably less than 2500 even now, with about fifty new ones annually) has reduced the pressure for a systematic...still with us. The activities of the Commission on New Minerals and Mineral Names of the International Mineralogical |  | | Report (issue) | | eyton Bend l«»ortont outcrops **~^- Crtths X County lints, t«etpt along water court** Towns and eommualtios... and plr,gioclase of which Huch is untviimed. Locality: near the Junction of the Plumtree Creek road...arerage 1 millimeter across the largest dimension. Locality: Cane Creek Mountain. Kitchell Co. i ** #*£...are 1 millimeter across the longest dimension. Locality: Charlies £idge, Avery Co. B. Orthoclase-qua...porphyroolast has produced a flaser structure. Locality: Cane Creek Mountain, Mitchell Co. B. Oligoc |  | | Journal (article/letter/editorial) | | Orthopyroxene-bearing peridotites are found at only one locality, as a lens within aluminous 'garbenschiefer' amphibolite...MO 63130 2 Department of Geology, University of New Mexico, Albuquerque, NM 87131 3 Department of Geological...metamorphic mineral assemblages after presenting new petrological data on the ultramafic rocks. 1356...accentuated by differential weathering). Outcrops at Locality I (Fig. 1) contain coarsely bladed olivine crystals...color on fresh surfaces. The ultramafic body at Locality VI (Fig. 1) is enclosed entirely within the garbenschiefer |  | | Report (issue) | | These efforts should also lead to the development of new standard blocks which, because they exclude inferior...(1962) Rock-Forming Minerals, Vols. 1-5, Wiley, New York. Deer, W.A., Howie, R.A., and Zussman, J. (1966)...(1966) An Introduction to the Rock Forming Minerals. New York: John Wiley and Sons. 528 pages. Foster, M.D...Kakanui Hornblende, NZ Minnesota Hornblende, Fremont County, CO Sodic Fluor-richterite, Synthetic Apatite...*FSBO Benson Orthoclase *FSLC Plagioclase, Lake County, Oregon *FSNA Nunivak Anorthoclase, AK FSTA Tiburon |  | | Report (volume) | | desoription of Indarotos salmdntanus Pilgrim, the new genus of Bear from the Middle Siwaliks, with some... ; Same witji biotite, scgit^gatioii mad. locality. pnkdi in pgmatiie: Ashamhoo South Travanciorc...—Interior Mayo mines. —Miner, Mayo mine. 22. : locality. tlio 20.— 21. Same gm-phito distribution...striiverite, luiisdalite hiilsite, and amigniatite. New Bpecimen* ac- qnlred by donation. (1) aluminiiiin...of the Geological Survey of India. 18. Three new show oases have placed been in [Vol. XLIV |
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