 | | Journal (article/letter/editorial) |
| Laurite and EnclosingChromite from the Bird River Sill, Manitoba DANIEL OHNENSTETTER, Centrede Recherchesur...uppermainchromitite, section225-180E, of the Bird River sill providessignificantevidencethat platinum-group...GeologicSettingof the Bird River Sill Chromitites -)'oøw 9'0øw N.W.T • THE Bird River sill is an Archcan...1981),butprimarytextures arecommonly preserved. The sill is characterizedby a lower ultramaficseries and...maficseries(Scoates, 1983). Platinum-groupmineral inclusionsin chromite have been describedby Talkingtonet al. (1983) |
 | | Journal (article/letter/editorial) |
| Platinum-Group-Mineral Inclusions in Chromite from the Bird River Sill, Manitoba* W. Talkington**, D. H. Watkinson...Ontario, Canada K1S 5B6 Platinum-group minerals (PGM) have been identified as inclusions in chromite from...from the Bird River Sill, Manitoba. The inclusions are small (< 20 microns) and are commonly euhedral. The...palladium has been detected. Laurite inclusions in chromite from the ultramafic zone record two compositional...inclusions occur as discrete phases in chromite and are part of the chromite precipitation event. Increasing |
 | | Report (volume) |
| * Geology of the Grey Eagle and some nearby chromite deposits in Glenn County, Calif., by G. A. Rynearson...(published in September 1944)....................... Chromite deposits near San Luis Obispo, San Luis Obispo...W. Hobbs (published in June 1945)............ Chromite-bearing sands of the southern part of the coast...(published in April 1946)....................... Chromite deposits near Red Lodge, Carbon County. Mont...., by H. L. James (published in June 1947)... Chromite deposits of the North Elder Creek area, Tehama |
 | | Journal (volume) |
| largest exhibit of its kind west of the Mississippi River, and ranks fifth in the United States. Mineral Identification...recently been issued on quicksilver, petroleum, chromite, and tungsten resources of California, and one...press. Reports are now available on quicksilver, chromite, and tungsten, and a bulletin on manganese is...curving coast-line extending from the mouth of Pajaro (Bird) Biver where it enters the bay, northwestward for...northerly from Santa Cruz city follows the San Lorenzo River and its tributary, Zayante Creek, to serve the two |
 | | Journal (volume) |
| RESOURCES 7 8 8 8 13 13 14 Asbestos 14 Chromite 14 Copper 17 Gold 17 Iron Ore 48 Limestone...east of the Yuba Pass and drains into the Feather River. A strip along the eastern boundary drains into...Bullards Bar Dam on the North Fork of the Yuba River. This dam is also available for storage of tailings...most valuable They contain an abundof the Tertiary river gravels were deposited. ance of white quartz pebbles...the steep canyon slopes high above the present river beds. Large stretches of the old channels remained |
 | | Journal (issue) |
| encouragement to producers of beryl, columbium-tantalum, chromite, and asbestos. It is bel ieved that technical...minerals, namely, beryl, columbium-tantalum, and chromite, as well as the heavy dependence of the United...by anyone producer from anyone mining district. Chromite - A production bonus of $21 .00 per long dry ton...domestically produced commercial grade, metallurgical chromite; 10,000 long dry tons annual limitation upon the...their status is to revert to pre-war standing. The chrome miners are offered a bonus far below their mining |
 | | Journal (issue) |
| White Merrill 91 Geologic Investigation of the Chromite Deposits of California, by John 101 Eliot Allen...drainage basin of the Trinity River and its tributaries. A stretch of this river to the northwest of Trinity...and Mad rivers. For mining purposes, the Trinity River and its tributaries are of chief interest. Run-off...and serve Weaverville and points along Trinity River. The same company operates a small hydro-electric...road as it winds up the mountains and along the river make greater speed hazardous. A second State highway |
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| ____________________________________________________ _ Chromite deposits ______________________________ L _________________...::::::::::::::::::: Black Rock claim _________________________ _,_ __________________ _ Snow Drift claim _________________________..._____________________________ _,_ __________________ _ Robert L. claim group ________________________________________ _...occurrences--------------------------------Blue Rock claim _____________________________________________ _...Celebration chromite mine _______ _ 49 9-13. Plans of: 9. 10. 11. 12. Ray (Tip Top) chromite mine----------------Robert |
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| Production Table of Mineral Production Asbestos Chromite Crushed Rock Diamonds Gold , Dredging Drift...258 258 -— 25') Table of Mineral Production Chromite Clays 259 259 2 60 Copper 2 Gold 261 262...and Active Mines in Each Asbestos Brick and Clay Chromite or Chromic Iron 30! 31 ( zii 31: 31^ 3K...Mineral Production Asphaltum Clay Coal Copper Chromite dlatomaceous earth — Feldspar Fuller's Earth...685 687 688 688 689 Bituminous Sandstone Brick Chromite Copper Gold Infusorial Earth Iron Limestone |
 | | Journal (volume) |
| DEPOSITS Asbestos Barite Borax Carbon dioxide Chromite Diatomite Magnesite Manganese Mineral paint Mineral...westward to the Russian River, and Cache Creek, flowing eastward to the Sacramento River. 1 Cache Creek was...drainage to the Sacramento River was reestablished, but drainage to the Russian River is now cut off. The Blue...mountainous northern part of the county is drained by Eel River. Elevations range from 1,340 feet above sea level...are associated with the igneous rocks. A little chromite and manganese ore has been produced, but the important |
 | | Journal (volume) |
| lAJfe. Hand sluicing of top gravel on Yuba River near Smartville, Yuba County. Photo by Walter...site of Sierra Buttes Mining Company on North Yuba River at Sierra City. About 6000 cubic yards of gravel...was erected on the Feather River bluffs at Oroville to work gravel in the river and on a bar in the middle...cover several miles along the east bank of Feather River between the Sutter-Butte canal and the Gridley bridge...on the Gunning property at the Narrows on Yuba River near the Nevada County line. A pit was excavated |
 | | Journal (volume) |
| miles of water tunnel on the north bank of the river, in southern Amador County, California. The geology...nearly parallel to the river. The West Point tunnel, which takes the Mokelumne River water from the afterbay...of the canyon at a grade less than that of the river, so that its lower portal is about 250 feet above...above the West Point powerhouse, located at river level near the old West Point bridge. The Electra tunnel...Tabeaud, an artificial lake 1,200 feet above the river, from where it drops through a penstock, 7 feet |
Chrome Claim, Bird River Sill, Manitoba, Canada