 | | Book | | ISSN: 0957-4433 Contents Asbestos 1 Barite Mica Nepheline syenite 10 Bauxite 19 Beryllium minerals...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...to minerals as diverse as sylvite and feldspar. Mica and talc may be micronized, i.e. subjected to...used include kaolin, talc, calcium carbon- ate, mica, wollastonite and other mineral substances. Rather...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source |  | | Book | | upon milky quartz stems. Denny Mountain area of King County. Specimen from the collection of Cary A....others. I express thanks to the assemblage of Seattle area mineral col lectors, who made suggestions and offered...DESCRIPTIONS 21 ABBREVIATIONS 24 GLOSSARY 25 COUNTY INDEX OF MINERAL OCCURRENCES 29 MINERAL DESCRIPTIONS...(using a code explained on page 21) and a county by county list mentioning the nature of their occurrence...Parks and Monuments prohibit all collecting. state, county and city parks usually prohibit collecting. Please |  | | Book (volume) | | the southern end of the Appalachian chain of mountains. These ranges extend into the northeast corner...where Brasstown Bald, a part of the Nantahala Mountains achieve the highest elevation in the state at...in the northwest, where the Lookout and Sand mountains loom over rich agricultural valleys, Georgia easily...Plateau, the Appalachian Valley, the Appalachian Mountains, the Piedmont Plain (about 30% of the state),...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren |  | | Book (volume) | | erosional debris spreading out from the Rocky Mountains as they rose during the Larimide revolution of...chert nodules, fossils, Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence of...jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte R...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza |  | | Journal (issue) | | benitoite specimen was taken by Harold and Erica Van Pelt and came to us through the courtesy of Pruett...Houston. TX 77024 FIELD TRIPS Collecting at Mt. Mica by Harry Sweeney and Bob Salvato ............ ....Mentone, California 92359 New, Notn of Collectlng Area• . . . . . . . . . . . . . . . . . . . . . . . ...edge of your grinding wheel while grinding in this area. You want as sharp an edge on your wheel as possible...across Mount Mica. Just the name increased my heartbeat. You can see a mountain of mica encrusted with |  | | Journal (volume) | | Geology of Palm Springs-Blythe Strip, Riverside County, California, by William J. Miller Geology of Parts...Parts of tbe Barstow Quadrangle, San Bernardino County, California, by William J. Miller 9 11 73 Geology...Geology of the Needles-Goffs Region, San Bernardino County, California, by William J. Miller 113 SPECIAL...in charge of all army construction work in this area. Miss Mary Helm was appointed a geological draftsman...Mines ; Mines and Mineral Resources of Santa Cruz County ; Discoveries in the Strategic Minerals, San Francisco |  | | Report (volume) | | tungsten (F); lithium (G); potassium feldspar and mica (H); mica (I); beryllium (J) 77 Miscellaneous Proterozoic...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral...of the Black Hills National Forest and adjacent area (scale 1:250,000) 2. Mineral resource potential...in the Black Hills National Forest and adjacent area (scale 1:250,000) 3. Mineral resource potential...in the Black Hills National Forest and adjacent area (scale 1:250,000) 4. Map showing location of mines |  | | Book (volume) | | Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...probably a greater variety of minerals in a single mine in Franklin, New Jersey, or Mont Saint-Hilaire, |  | | Journal (issue) | | I really wanted. Let's refer specifically to the area at the top of both wings, the stars for the flag...Indian Pass area of Imperial County, California. The red stripes are red jasper from the Lavic Area of the...stars are howlite from Tick Canyon in Los Angeles County. continued on page 10 8 - NOVEMBER 1976 FEATURING:...is made from carnelian agate from the Wiley Well Area of the Colorado Desert in Southern California. The...does not constitute per• mission to collect at any area mentioned. Permission MUST be obtained before entering |  | | Report (issue) | | t j ."\: Geology of the Northern Santa Ana Mountains, California GE 0 L 0 GI CAL SUR VEY P R 0 FE... .J:·· \ GEOLOGY OF THE NORTHERN SANTA ANA MOUNTAINS, CALIFORNIA .."' • ~ -~ Bedford~al I Sierra....i. •• i Geology of the Northern Santa Ana Mountains, California By]. E. SCHOELLHAMER, j. G. VEDDER...structural evolution of the northern Santa Ana Mountains \'f~· .., UNITED STATES GOVERNMENT PRINTING...Publication Data Geology of northern Santa Ana Mountains, California. ( G.eological Survey Professional |  | | Report (issue) | | . . . . . . . . . . . . 15 Richardson Feldspar Mine. . ... . . . . . . . . . ... . . . . . . . . . ... . . .. . . . . . .. . . . 15 Bathurst Feldspar Mine. . . . ... . . . . . . . . . .. . . . .. . . . ..... . . . . . .. . . ... . 16 MacDonald Feldspar Mine ........................................................... .................................. 23 MICA . ..... . .... ...... .... . ..... . ..... ........ . . . . . . . . . 25 Principal Members of the Mica Group and Approximate Chemical Compositions (Table |  | | Journal (article/letter/editorial) | | The Minerals of Albemarle County, Virginia PART I: NATIVE ELEMENTS, SULFIDES, HALIDES, AND OXIDES By...University of Virginia, Charlottesville, Va. Albemarle County is near the center of Class I. Native elements...edge of the n ° t been found in Albermarle County, county follows the crest of the Blue Ridge but according..., and Jones (1932), the gathe James River. The county seat is Char- lena which occurs in the old Faber...from by Jefferson, is in that city. veins in the mica slates east of SouthScattered references to various |  | | Journal (issue) | | properties. pg. 89 116 Emeralds from the Kafubu Area, Zambia J. C. (Hanco) Zwaan, Antonín V. Seifert...emerald-producing country in the world, are described. 150 Mt. Mica: A Renaissance in Maine’s Gem Tourmaline Production...producing fine tourmalines, with both the mining area and the gems examined in this report. pg. 146 REGULAR...courtesy of Isaac Wolf. Photo by Harold & Erica Van Pelt, Los Angeles. Color separations for Gems & Gemology...sciences at the Natural History Museum of Los Angeles County. • Robert E. Kane is a former manager of identification |  | | Journal (issue) | | named after the verdant Usambara Mountains, south of the Umba area in Tanzania, and was introduced by...chromiferous tourmaline from Nchongo in the Umba area (Figure 1) and concluded that this depended primarily... uvarovite, demantoid and a new mineral, chrome mica. The detailed description includes results of chemical...deserve attention: a beautiful emerald green chrome mica and a deep green chrome tourmaline. The latter was...sample of emerald-green tourmaline from the Umba mine showing red in transmitted incandescent light but |  | | Book | | PROVINCE 37 (j) RUBATAB AREA, NORTHERN PROVINCE 37 (k) ATBARA AREA, SUDAN PORTLAND CEMENT 11 ...intrusions 19 19 outcrops 47 (b) JEBEL UWEINAT AREA 48 (c) NAWA FORMATION 51 3. MESOZOIC FORMATIONS... CONTENTS (iv) Thickness variations 64 Dongola area 64 (vii) Regional description: Jebel Nakharu (viii)...Jebel Uweinat(vi) Regional description: Wadi Haifa area, Northern Province (e) 86 88 DUNGUNAB 88 (c)...vertebrate-bearing terrace de¬ posits of the Kosti area, Blue Nile Province 109 (iii) Lake Sudd 109 | | | Book | | basic dykes Il. HISTORY OF RESEARCH (j) RUBATAB AREA, NORTHERN PROVINCE Ill. STRATIGRAPHY 1. BASEMENT...AHMER, DERUDEB SHEET 461, AND KASSALA DISTRICT AREA, ri Ir II (3) Foliated hornblende ‘quasi-gneiss”...OUTCROPS OF THE ERDI-ENNEDI (b) JEBEL UWEINAT AREA (c) NAWA FORMATION 3. MESOZOIC FORMATIONS. (a)...Uweinat— 64 (vi) Regional description: Wadi Halfa area, Northern Province (vii) Regional description:...AND ISOLATED VOLCANIC OUTCROPS IN DARFUR Dongola area (ix) Regional description: Ed DebbaKhartoum-Sennar |  | | Journal (volume) | | Bolivia's Case for the League of Xations 2^1 Greenside Mine. Borlase, W. H Emmons and Grnner (m.d.). . 2r)3...at Repqft Dolcoath Mine Dolcoath's Financfs Dolcoath's Future Dollv Varden Mine Draper, Murray "211...Gold Mines Flats and Sops in Furness Flin-Flon, Mine Option on Flin-Flon Ore-body Flotation Litigation...Schwarz (m.rf.) Kalgoorlie, Strike at Kalgurli Mine Closes Katathemiometer, Dr. Hill's Keeley Silver...Gases from Water {m.d.) Killifreth Mine, Geology of Kingsdown Tin Mine 31, 100, 161, 22o, 293, Kirkland |  | | Journal (issue) | | by M. S. Krishnan The Tata Iron and Steel Works Mica in the Western States of Orissa, North of the Mahanadi...There are only three small coastal towns in the area. Pasni, Ormara and Gwadar, of which the first two...scale volcanic eruption by observers over a wide area. Yet another interesting feature of this quake was...all sides. The area covered by the blocks is roughly one-third of the total surface area of the island...the latter being the normal depth of sea in the area. The size of the island must have been much larger |  | | Report (volume) | | liorizontal axis towards the observer. The crustal area. A, can be seen in both figures. 19.—Fio. 1.—Naoki... 2.—Naoki Meteorite, 204 B, showing the crustal area seen when the stone was rotated for 45* about a...Malay States. 11. Tin ore in limestone, Beatrice Mine, Federated Malay States. —Director, Geological Survey...Martiu. 30. ParaUelipipedum prototoriuosum Noetl. 31. Area dathrata Reeve var. birmanica Vred. 32. Barbatia...noticed by Mr. B. B. Gupta in the Yaw rocks of the area surveyed by him in the Lower Chindwin district (see |  | | Report (volume) | | Jadtdtc, J..ead and Silver, Magnesite, Manganese, Mica, Monazitc, Nickrd, JV.troJeiim, Kuby, , . Sapphire...Nagpur-Balaghat area mode of occurrence. : crystalline limestones. tial B. —The Mica. Dimensions ...methods. Occuriencc. Mica Bill 1927. Formation of mica pegmatites. Uses oi mica. Conclusion dealing...Copper. Magnesite. Diamonds. Manganese. Gold. Mica. Graphite. Monazite. Ilmenite. NickoJ. 2 ...the latter necessarily vary sj)Ot values, the mine, In the (^ase of coal, a ton of good coal in |  | | Report (volume) | | limestone, calcareous tufa, oil shale, kaolin, mica-peridotites, laterite, bauxite and Chemist. basalt...galena P. Quensel, Stockholm. (6) Specimens of mica-peridotite to W. Professor S. Boulton, University...advisable to continue geological work in the. same area. Dr. .Pilgrim was unable to take part in this owing... of points of and Pilgrim Dr. the Their area. : carbonaceous and Jutogh ; direction in...oocnpaBurma. Mr. Barber tions of the villagers in this area. remarks that, owing to the lenticular nature of |
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