Bulletin, Utgaver 262-266U.S. Government Printing Office, 1905 |
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Side 10
... portions with quartz - sand grains , the remnants , beyond doubt , of former sandstone bodies , and it was soon ... portion as trivalent vana- dium in a much less soluble silicate which was free from uranium . It was hoped that , by ...
... portions with quartz - sand grains , the remnants , beyond doubt , of former sandstone bodies , and it was soon ... portion as trivalent vana- dium in a much less soluble silicate which was free from uranium . It was hoped that , by ...
Side 12
... portion of the bed shows a fine - grained homogeneous sandstone , in which well - rounded grains of quartz are held together by a rather abundant matrix of calcite . The calcite is crystallized as a fine granu- lar aggregate and ...
... portion of the bed shows a fine - grained homogeneous sandstone , in which well - rounded grains of quartz are held together by a rather abundant matrix of calcite . The calcite is crystallized as a fine granu- lar aggregate and ...
Side 14
... portion of Montrose County , southwest of Paradox , and about 6 miles up La Sal Creek from Cashin . They are reached by trails from Paradox Valley and from Cashin . The deposits are on the south side of La Sal Creek and about 700 feet ...
... portion of Montrose County , southwest of Paradox , and about 6 miles up La Sal Creek from Cashin . They are reached by trails from Paradox Valley and from Cashin . The deposits are on the south side of La Sal Creek and about 700 feet ...
Side 15
... portion of western Colorado than it does between Telluride and Placerville . The limestone bed , so characteristic a feature of the formation near Placer- ville and farther east , is not uniformly present in this western region , and ...
... portion of western Colorado than it does between Telluride and Placerville . The limestone bed , so characteristic a feature of the formation near Placer- ville and farther east , is not uniformly present in this western region , and ...
Side 18
... portion . The green substance was but slightly attacked by cold acids and not rapidly by hot ones , nevertheless ... portion which the nitric - acid extract of the sandstone held in solution . The sum represents the total silica of the ...
... portion . The green substance was but slightly attacked by cold acids and not rapidly by hot ones , nevertheless ... portion which the nitric - acid extract of the sandstone held in solution . The sum represents the total silica of the ...
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Vanlige uttrykk og setninger
12 feet acid Alaska amount andalusite anticline Archean Atlin Atlin district bed rock Birch Creek body whorl Boulder buckets Canyon carnotite cent chabazite clay coal color cost Cretaceous crystals cubic yard Dakota deposits depth diameter dike district ditch dredge driller drilling dumortierite dump east of Malone elevator Fairbanks fault flume folds foothills fossils Geological Survey gold grade gravel gray ground H₂O height hydraulic hydraulic mining Jurassic Klondike length limestone Lykins Malone Mountain Malone station material mesa method miles east miner's inches mineral mining monocline Niobrara Nome occurs operations outcrop pipe placer mining places posterior pump quartz region ridge riffles River roscoelite samples sand sandstone Seward Peninsula shale shell shovel showing slope sluice Soft species specimen strata stream surface thawing thickness timber tion Trigonia U. S. Geol upper valve vanadium whorl yttrialite Yukon
Populære avsnitt
Side 260 - All records of mining claims hereafter made shall contain the name or names of the locators, the date of the location, and such a description of the claim or claims located by reference to some natural object or permanent monument as will identify the claim.
Side 261 - Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Side 218 - upon vouchers approved and certified by said board. The Secretary of the Treasury shall, at the end of each month, send by mail to each of the members of said board a statement of the amount available of said "Alaska fund...
Side 218 - The said board shall have the power, and it shall be their duty, upon their own motion or upon petition, to locate, lay out, construct, and maintain wagon roads and pack trails from any point on the navigable waters of said district to any town, mining or other industrial camp or settlement, or between any such town, camps, or settlements therein, if in their judgment such roads or trails are needed and will be of permanent value for the development of the district...
Side 257 - placers," including all forms of deposit, excepting veins of quartz, or other rock in place, shall be subject to entry and patent, under like circumstances and conditions, and upon similar proceedings, as are provided for vein or lode claims; but where the lands have been previously surveyed by the United States, the entry in its exterior limits shall conform to the legal subdivisions of the public lands.
Side iv - SCHRADER, FC, and SPENCER, AC The geology and mineral resources of a portion of the Copper River district, Alaska.
Side 218 - ... judgment such roads or trails are needed and will be of permanent value for the development of the district; but no such road or trail shall be constructed to any town, camp, or settlement which is wholly transitory or of no substantial value or importance for mining, trade, agricultural, or manufacturing purposes.
Side 100 - An Act to create the California Debris Commission and regulate hydraulic mining in the State of California", approved March 1, 1893, as amended, 27 Stat.
Side 218 - The engineer officer of the board shall in all cases supervise the work of construction and see that the same is properly performed. As soon as any road or trail laid out by the board has been constructed and completed they shall examine the same and make a full and detailed report of the work done on the same to the Secretary of War, and in such report they shall state whether the road or trail has been completed conformable to the maps, plans, and specifications of the same.