 Oassiterite has been found in Texas on the east flank of the Franklin Mountains, the southern extension of the Organ or San Andreas Range, about 10 miles north of El Paso. These deposits were discovered in 1899 and had been prospected to a depth of about...  Bulletin of the United States Geological Survey - Side 11af Geological Survey (U.S.) - 1901Fuld visning - Om denne bog
 | Walter Harvey Weed - 1901 - 44 sider
...CHARLES D. WALCOTT, Director of United States Geological Survey. PORTION Of THE EL PASO THE EL PASO TIN DEPOSITS,... By WH WEED. LOCATION OF DEPOSITS. The...of the city of El Paso. The ores were discovered in 1899 and have been prospected by several open cuts and pits, the deepest of which is about 50 feet... | |
 | 1903 - 988 sider
...reduce the mineral to tungstic oxide. 98 TIN DEPOSITS AT EL PASO, TEX. By WH WEED. The El Paso tiu deposits lie on the east flank of the Franklin Mountains, the southern extension of the Oregon or San Andreas Range, about. 10 miles north of El Paso. The ores were discovered in 18!)!( and... | |
 | Samuel Franklin Emmons - 1903 - 462 sider
...made at the mine to reduce the mineral to tungstic oxide. TIN DEPOSITS AT EL PASO, TEX. By WH WEED. The El Paso tin deposits lie on the east flank of...Franklin Mountains, the southern extension of the Oregon or Sau Andreas Range, about 10 miles north of El Paso. The ores were discovered in 1899 and... | |
 | 1904 - 470 sider
...Eng.. Vol. XIIl. 1885, p. 691. 32 THE TIN DEPOSITS. Texas. — Cassiterite has been found in Texas* on the east flank of the Franklin Mountains, the southern extension of the Oregon or San Andreas Range, about 10 miles north of El Paso. These deposits were discovered in 1899... | |
 | Elisha Mitchell Scientific Society (Chapel Hill, N.C.) - 1914 - 232 sider
...not there existed a commercial deposit of cassiterite. Texas: — Oassiterite has been found in Texas on the east flank of the Franklin Mountains, the southern extension of the Organ or San Andreas Eange, about 10 miles north of El Paso. These deposits were discovered in 1899 and had been prospected... | |
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