Omine acid rocks, Kii peninsula - mineralogy.
نویسندگان
چکیده
منابع مشابه
Mineralogy Determinations by Chemin Xrd, Tested on Ultramafic Rocks
across) and UI-21 (1.5 cm across). UI-3 is a websterite, composed of augite (gray), orthopyroxene (white) and spinel (brown); at the top is the host basalt. UI-21 is a spinel lherzolite; spinel is brown, other phases near-white. MINERALOGY DETERMINATIONS BY CHEMIN XRD, TESTED ON ULTRAMAFIC ROCKS (MANTLE XENOLITHS). A. H. Treiman, K. L. Robinson, D. F. Blake, and D. Bish. Lunar and Planetary Ins...
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BACKGROUND In the Kii peninsula of Japan, high prevalences of amyotrophic lateral sclerosis (ALS) and parkinsonism-dementia complex have been reported. There are 2 major foci with a high prevalence, which include the southernmost region neighboring the Koza River (Kozagawa and Kushimoto towns in Wakayama prefecture) and the Hohara district (Mie prefecture). OBJECTIVE To delineate the molecula...
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Sector-zoned aegirine was found in a specimen of Sanbagawa quartz schist from the Iimori region of the western Kii Peninsula, central Japan. The schist consists of quartz, aegirine, albite, amphibole (magnesioriebeckite to manganocummingtonite), garnet (spessartine), rhodochrosite, pyrophanite, jacobsite, and apatite. Aegirine occurs as subhedral to euhedral prismatic crystals less than 250 μm ...
متن کاملAn increase in ALS incidence on the Kii Peninsula, 1960-2009: A possible link to change in drinking water source
We investigated changes in the incidence of amyotrophic lateral sclerosis (ALS) in the Koza/Kozagawa/Kushimoto area (K. area) in the Kii Peninsula, Japan in 1960-2009. Probable and definite ALS cases diagnosed using El Escorial criteria were collected during a five-decade period: period I-V, 1960-2009. Forty-three ALS patients matched the selection criteria in the overall K. area, including thr...
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ژورنال
عنوان ژورنال: The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists
سال: 1980
ISSN: 0021-4825,1883-0765
DOI: 10.2465/ganko1941.75.146