actinolite
From: The Columbia Encyclopedia, Sixth Edition
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Date: 2008
actinolite : see amphibole .
Author not available, ACTINOLITE.,
The Columbia Encyclopedia, Sixth Edition 2008
The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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FROM LA COMBE DE LA SELLE, SAINT CHRISTOPHE-EN-OISANS, ISERE, FRANCE.
The Mineralogical Record; 5/1/2001; Gautron, Laurent Meisser, Nicolas; 2980 words;
... Selle ( Valley of the Saddle ) on some maps, is near Bourg d'Oisans in Saint-Christophe-en-Oi ... greenschist facies, characterized by zoisite-actinolite-chlorite assemblages in the mafic rocks ... Saint-Christophe-en-Qisans township. MINERALS Actinolite ...
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Famous mineral localities: the Bastnas mines; Riddarhyttan ore field, Bergslagen district, Vastmanland, Sweden.
The Mineralogical Record; 5/1/2004; Ohman, Lennart Nysten, Per Langhof, Jogen; 6978 words;
... later named gadolinite. After hearing this news Hisinger turned back to his mineral collection ... limestones, the skarn minerals being mainly actinolite, diopside, garnet and fluorite; and finally ... amphibole species is a pale to dark green actinolite. Replacement relicts of limestone are ...
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Hyperpotassic granulites from the Blanský les Massif (Moldanubian Zone, Bohemian Massif) revisited
Journal of the Czech Geological Society; 1/1/2007; Janousek, Vojtech; Krenn, Erwin; Finger, Fritz; Míková, Jitka; Frýda, Jirí; 16083 words;
... granulites contain pyroxene, often altered to actinolite, instead of garnet. The predominant ... Tropper et al. 2005). 4.2. Pyroxene/actinolite-bearing hyperpotassic granulites (Lhotka ... diopside is often replaced by secondary actinolite (Vrna 1998), as in the newly collected ...
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OSHA amends asbestos standards. (Occupational Safety and Health Administration)
Ceramic Industry; 7/1/1992; 444 words;
... The nonasbestiform minerals--tremolite, anthophyllite and actinolite--have been excluded from coverage under the asbestos standards ... it applied to nonasbestiform tremolite, anthophyllite and actinolite. In support of that request, health-related documents were ...
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FAMOUS MINERAL LOCALITIES: THE BASTNAS MINES: RIDDARHYTTAN ORE FIELD, BERGSLAGEN DISTRICT, VASTMANLAND, SWEDEN
Mineralogical Record; 5/1/2004; Ohman, Lennart; Nysten, Per; Langhof, Jogen; 6615 words;
... later named gadolinite. After hearing this news Hisinger turned back to his mineral collection ... limestones, the skarn minerals being mainly actinolite, diopside, garnet and fluorite; and finally ... amphibole species is a pale to dark green actinolite. Replacement relicts of limestone are ...
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Alberta Star Drills 22.5 Meters of 2.24% Zinc, 0.23% Lead, 0.025% Cobalt and 0.10% Copper at the Skinny Lake IOCG Target at Contact Lake, NT
CCNMatthews Newswire; 1/18/2008; 1473 words;
... target is the site of extensive hydrothermal magnetite-actinolite- feldspar-apatite plus sulphide alteration along the ... The host rocks are alkali (sodic or potassic) and or actinolite-epidote altered andesites. The core zone comprises a pervasive alkali feldspar-scapolite-magnetite- actinolite-apatite ...
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Minerals from Alchuri.(Pakistan)
The Mineralogical Record; 11/1/2006; Wilson, Wendell E.; 2337 words;
... The origin of faden quartz. ) MINERALS Actinolite [square][Ca.sub.2](Mg,[Fe.sup.2 ... sub.8][O.sub.22](OH)[.sub.2] Acicular actinolite crystals occur in pale green, felted ... and other species at Alchuri. Thick actinolite clusters often layer the host schists ...
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Alberta Star Samples 0.69% Uranium and 30.9 g/ton Silver at the Mag Hill Target Area at Contact Lake, NT
CCNMatthews Newswire; 1/8/2007; 2030 words;
... now emerging at Contact Lake. The Mag Hill target is the site of the most extensive hydrothermal magnetite-actinolite- feldspar-apatite plus sulphide alteration along the Contact Lake Mineral Belt in the northern part of the Great Bear Magmatic Zone. The host rocks are alkali (sodic or potassic) and or ...
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Blue quartz from the Antequera-Olvera ophite, Malaga, Spain.
The Mineralogical Record; 3/1/1996; Romero Silva, Juan C.; 1783 words;
... quartz ( morion ), green quartz (colored by inclusions of actinolite and chlorite) and an unusual blue quartz apparently colored ... epidote, calcite, dolomite, chlorite, hematite, prehnite, actinolite, ilmenite, magnetite, pyrite, dufrenite, deep blue aerinite ...
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Textural Relations and Mineral Compositions of Retrogressed Low-Grade, High-Pressure Metabasites and Phyllites around Krkonose-Jizera Complex and near Kraslice in Krusné Hory Mts.
Geolines; 1/1/2006; Zácková, Eliska; Faryad, Wali Shah; Konopásek, Jirí; 838 words;
... and albite or it occurs in the core of actinolite grains. Boundaries between these two ... Mg^ = 0.7-0.72. Calcic amphibole is actinolite in composition. Epidote is rich in Fe ... albite. The presence of biotite and actinolite rimming blue amphibole could be the ...
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Neotethyan ophiolitic rocks of the Anatolides of NW Turkey and comparison with Tauride ophiolites
Journal of the Geological Society; 11/1/2003; Onen, A Piril; 8489 words;
... Quaternary alluvium. The ophiolites tectonically overlie the same olistostrome. Geological maps (Fig. 3a and b) of the ophiolite from the Besdegirmen area show locations of analysed ... magnesio-hornblendes (Leake 1978) but a few have tschermakitic hornblende and tremolite-actinolite compositions. Finer-grained ...
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OSHA extends tremolite fiber administrative stay.
Ceramic Industry; 9/1/1989; 208 words;
... extended the partial administrative stay of its updated asbestos standard for nonasbestos forms of tremolite, anthophyllite and actinolite to Nov. 30, 1990. OSHA adopted the revised standard June 20, 1986, but then granted, in October of that year, the first of ...
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ASBESTOS IN LIBBY - EPA ACTION UPDATE #3
Regulatory Intelligence Data; 1/31/2000; INDSTRY GROUP 99; 680 words;
... action at two sites. Results show elevated levels of tremolite-actinolite at the old Zonolite railroad loading area at the base of Rainey ... in two businesses that we tested. Peronard said that is good news but added that the first analysis was designed to find out ...
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Famous mineral localities: GREEN MONSTER MOUNTAIN PRINCE OF WALES ISLAND, ALASKA
Mineralogical Record; 9/1/2004; Toland, Douglas C; 11414 words;
... that eventually led to the accurate placement of our property on the latest land ownership maps. As a condition of his partnership with me, Tom Hanna insisted that the property be closed ... to a bright light, these prisms reveal the sequence of inclusions. Earlier inclusions of actinolite "hair," magnetite, and, ...
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HEALTH EFFECTS OF ABESTOS AND MITIGATION EFFORTS:DAVID N. WEISSMAN, M.D.
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... samples have identified the presence of actinolite in the form of needle-like crystalline structures called ``acicular/prismatic actinolite.`` Although many of these amphibole ... different crystalline structure from fibrous actinolite asbestos. A recent report by investigators ...
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