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ZINC-LEAD-COPPER CRow DESIGN Julie Ballard ISLAND, Co. ORES AT KERRY Rob beer 35 The views and opinions...black sphalerite crystals. The first British occurrence of the rare aluminofluoride mineral gearksutite...linarite, malachite, mimetite, plumbojarosite, pyromorphite, rosasite, vanadinite, and wulfenite, many of...Natural History, the Manchester Museum, English China Clays (now Imerys) laboratories, the University...convention in this journal, those species whose occurrence is beyond doubt arc listed IN CAPITALS, where |
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Discm鈥鈥ies, /960--20/ 5 ONTARIO Bentley Lake Road occurrence, Faraday Township, Hastings County. In fall 1994...site which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral...specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed on the property...extension near Chelsea, Gatineau County. This occurrence of ilmenite, near the town of Chelsea and 25...the l 960s (Sinkankas, 1966; Scott Williams Mineral Co. price list, 196_?), and good, sharp, brown-black |
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Cleavage: shell-like, Fracture: granular. PYROMORPHITE Luster: resinous. Hardness: 35) Streak:...black. KEY TO MINERALS 19 Cleavage: Hardness: ZIRCON steel file. Streak: black, grayish s * black....nonmetallic, one poor. shell-like, brittle. PYROMORPHITE Color: Luster: yellowish green. resinous,...Luster: blackish green, yellowish green. Orange PYROMORPHITE Luster: resinous, adamantine. Hardness: 3...metallic. Hardness: 6-6.5. Streak: greenish gray. PYROMORPHITE Color: Luster: MILLERITE Color: brassy yellow |
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development of mineralogy as a science (15001912). 9 ^ Zircon crystal resulting from the combination of several...hexagonar dipyramid hexagonal prism apatite pyromorphite mimetite vanadinite basal pinacoid 6/m C-Ae-P...2AJ'.P.2P'.2P' ; rutile cassiterite anatase zircon vesuvianite apophyllite =? IF ditetragonal i...rutile with hematite, kyanite with straurolite and zircon with xenotime. However, the most significant are...rays: Right: double refraction in calcite. tor- zircon, etc.) are radioactive, emitting particles capable |
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Tectosilicates 397 405 423 446 356 Contents 6. OCCURRENCE AND ASSOCIATION OF MINERALS Rocks and Rock-forming...in a garden has seen minerals in their natural occurrence. The rocks of the mountain, the sand on the beach...to 2 Introduction I materials of natural occurrence. Thus, cement, plaster, and glass are not steel...as the only form on a few minerals. The other Occurrence of Isometric Forms of the Hexoctahedral Class...crystallographic axes for the tetragonal mineral zircon with c less than a. Figure 136b represents the |
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- - - 路 - - 路 - - - - - - 路 路 - - - - - 路 85 Occurrence .......................... - .. - . - ... - -...... ---.----.---.--.---------------- - -路 86 Occurrence ............................... ___ ... __ ....__________________________________________ -. _.- _.-- _- _86 Occurrence _________ ... _. __ ........ _. __ ..... _.....______ ... _. _. _______ .- .... _. _.. ____ _ 88 Occurrence _________ ... _. __ . __ .. _.. __ . ___ . _...___ .. __. _. _____ _ 89 General character and occurrence ___ . ___ 路... _. ____ ... ___. _. _. __ . _____ |
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14 15 15 15 16 17 17 18 General character and occurrence.................................. 18 Petrography...................... 32 General character and occurrence.................................. 32 Contacts...................... 45 General character and occurrence.................................. 45 Thickness......................... General character and occurrence.................................... Thickness.................. Name, general character, and occurrence................................. Structure and |
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geological settings for diamonds, sapphires, rubies, zircon, topaz, tourmaline, garnets, quartz and many other...'Western .9Lustrafia Mark I. Jacobson Chevron Production Co. P. 0. Box 39100 Lafayette, LA. 70593 California...Fluorite Sulphates Anglesite Jarosite Phosphates Pyromorphite Arsenates Bayldonite Conichalcite ? Figure...intermixed with crusts of cerussite crystals PYROMORPHITE Pb 5(PO4 }3CI Clusters of cream translucent...of one specimen indicated that the mineral is pyromorphite. QUARTZ SiO2 Quartz is com mon at Day Dream |
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the Chino branch of the Nevada Consolidated Copper Co. offered blanket permission to investigate and use...officials of the Ground Hog unit of the Asarco Mining Co. were equally liberal. Special acknowledgments should...Hawk Consolidated Mines Co.; to A. P. Mracek, owner of the Three Brothers Mining Co.; and to C. R. Altman...the Chino property of the Eay Consolidated Copper Co. A detailed private report that includes valuable...methods and costs at the Ground Hog unit, Asarco Mining Co., Vanadium, N. Mex.: U. S. Bur. Mines Inf. Circ. |
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dikes ....................................... Occurrence .................................. Batamote plug...Ajo mining district. ............. Features of occurrence ............................... 67 69 69 69...dates from 1911, when the Calumet: & Arizona Mining Co., of Bisbee, under the leadership of John C. Green...the New Cornelia Copper Co. was absorbed by the Calumet & Arizona Mining Co., and in 1931 this company...from 113掳F. to 28掳 F., with 100掳 a very common occurrence. Rain is rare and very irregularly distributed |
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. . 45 Varieties, distribution, and modes of occurrence ........................................... ........... .... ... .... ....... 路....... . 52 Occurrence and distribution ..................................................................... . 53 Occurrence and distribution .................. .. ........Classification, origin, and general modes of occurrence .................. 路.路 ........................__ . _... _. . . . . . . . . . . . . . . 180 Occurrence and character of the ore .. _. __ ..... _. ___ |
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the copper minerals.......................... Occurrence of the copper minerals.........................the silver minerals.......................... Occurrence of the silver minerals.........................compounds...................................... 135 Occurrence of the lead minerals...........................compounds...................................... 140 Occurrence of the zinc minerals...........................iron minerals............................. 143 Occurrence of the iron minerals........................ |
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_____________._______ New York-Idaho Exploration Co. property.__________________ Arizona group------...of the property of the New York-Idaho Exploration Co--___---__-_________--__ In 21. Geologic map of the...Steier, geologists of the International Smelting Co., aided materially in the study of several deposits...He gave a brief description of the method . of occurrence of the ores. In 1898 Lindgren completed a study...* * * High winds are of more or less frequent occurrence in exposed portions of the State but are seldom |
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............................... 104 Allie Mining Co.'s property........................................... 131 American Development, Mining & Reduction Co.'s mine......... 131 Clara Morris group............Map showing claims of the Kittie Burton Gold Mines Co., Indian Creek district............................Latest Out mine............. Sketch illustrating occurrence of ore and geologic relations in Jumbo mine....Pittsburg-Idaho Co. and Allie Mining Co., and to Mr. Ralph Nichols, president of the Latest Out Co., for hastening |
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. 268 268 Veins on American Consolidated Copper Co.'s property .................... . Howell mine .............. : ......................... . 270 Occurrence and character of deposits ..................... . . . . . . . . . . . . . . 296 Topographic occurrence. "... _. . . _... _. . : . . . . . . . . . .... ___ . ___ . _... _........... . ....... 306 Occurrence of the ores ..... . ... _..... , ..... . ................................................ . Occurrence ............. _.......................... _. |
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showing location of claims of Avawatz Salt & Gypsum Co., San Bemardino Comity, Cal........................Structure section on property of American Diamond Mining Co., sec. 14, T. 8S..R. 25 W., Arkansas...............control of the Trinity Gold & Hydraulic Dredging Co., is to be supplied from East Fork by a 12-mile ditch...of the Trinity River Consolidated Hydraulic Mining Co. (formerly the Hupp mine) are the.most important...Dredging Co. and the hydraulic mine of the Trinity River Mining Co. The Trinity River Dredging Co. has erected |