Report of the State Mineralogist, Količina 11State Office, 1893 |
Iz vsebine knjige
Zadetki 1–5 od 92
Stran 19
... mountains is covered with magnifi- cent forests of fir , spruce , pine , and cedar , insuring here cheap fuel and lumber ; most of the outlying districts are equally well timbered . Down this slope of the great snowy range course no ...
... mountains is covered with magnifi- cent forests of fir , spruce , pine , and cedar , insuring here cheap fuel and lumber ; most of the outlying districts are equally well timbered . Down this slope of the great snowy range course no ...
Stran 22
... mountains to the Sierra Nevada . The geological connection between the southern Sierras , Coast Ranges , and the mountains of Los Angeles County , with their southern exten- sion , has been the source of much discussion among geologists ...
... mountains to the Sierra Nevada . The geological connection between the southern Sierras , Coast Ranges , and the mountains of Los Angeles County , with their southern exten- sion , has been the source of much discussion among geologists ...
Stran 29
of this lava - capped mountain shales appear again , and about a mile south of Round Mountain the metamorphic rocks replace them . This rock appears like a tufaceous porphyry , containing much chlorite . A considerable area of level ...
of this lava - capped mountain shales appear again , and about a mile south of Round Mountain the metamorphic rocks replace them . This rock appears like a tufaceous porphyry , containing much chlorite . A considerable area of level ...
Stran 30
... Mountain there outcrop slaty argillites , much contorted ; strike east and west , dip 40 ° north . Here occurs a small vein of black quartz , carrying a large percentage of galena and zinc - blende . Other deposits of these minerals of ...
... Mountain there outcrop slaty argillites , much contorted ; strike east and west , dip 40 ° north . Here occurs a small vein of black quartz , carrying a large percentage of galena and zinc - blende . Other deposits of these minerals of ...
Stran 35
... Mountains , the rock varies greatly . There are quartz porphyries , massive green varieties , and some of undoubted ... mountain peak it is nearly level . The strike is irregular , showing a longitudinal compres- sion . It is north and ...
... Mountains , the rock varies greatly . There are quartz porphyries , massive green varieties , and some of undoubted ... mountain peak it is nearly level . The strike is irregular , showing a longitudinal compres- sion . It is north and ...
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
20 feet angle argillites average bedrock beds belt Blue clay bored bowlders cañon cement cent channel chloritic coal coarse contains copper cost country rock County Creek Cretaceous crushed deposits depth diabase dikes diorite distance district drift east extends feet deep feet in length feet long feldspar felsite fissure flowing foot wall Fork formation fossils free gold grade granite Grass Valley gravel ground Gulch hanging wall hills hoisting hornblende hydraulic inches iron land lava ledge limestone lode metamorphic metamorphic rocks mill mineral mountains Nevada City northeast northwest obtained outcrop patent Pelton wheel places porphyry portion present pump quartz ranch ridge river road rock sand sandstone schists seams serpentine shaft shale shoot shows side silver situated slate slope southeast southwest springs stoped strata stratum stream strike sulphurets sunk supply surface syenite thickness timber tufa tunnel Valley vein width
Priljubljeni odlomki
Stran 539 - 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. On each claim located after the tenth day of May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than one hundred dollars' worth of labor shall be performed or improvements made during each year.
Stran 524 - An act granting the right of way to ditch and canal owners over the public lands, and for other purposes...
Stran 557 - To avail themselves of the benefits of this provision of law, the proprietors of a mining tunnel will be required, at the time they enter cover as aforesaid, to give proper notice of their tunnel location by erecting a substantial post, board, or monument at the face or point of commencement thereof, upon which should be posted a good and sufficient notice, giving the names of the parties or company claiming the tunnel right ; the actual or proposed course or direction of the tunnel ; the height...
Stran 528 - All valuable mineral deposits in lands belonging to the United States, both surveyed and unsurveyed, are hereby declared to be free and open to exploration and purchase, and the lands in which they are found to occupation and purchase, by citizens of the United States...
Stran 558 - Recorder of the district, to which notice must be attached the sworn statement or declaration of the owners, claimants, or projectors of such tunnel, setting forth the facts in the case; stating the amount expended by themselves and their predecessors in interest in prosecuting work thereon; the extent of the work performed, and that it is bona fide their intention to prosecute work on the tunnel so located and described with reasonable diligence for the development of a vein or lode, or for the...
Stran 558 - States governing their possessory title, shall have the exclusive right of possession and enjoyment of all the surface included within the lines of their locations, and of all veins, lodes and ledges throughout their entire depth...
Stran 569 - The person entitled to the use may change the place of diversion, if others are not injured by such change, and may extend the ditch, flume, pipe or aqueduct by which the diversion is made to places beyond that where the first use was made.
Stran 528 - That as a further condition of sale, in the absence of necessary legislation by Congress, the local Legislature of any State or Territory may provide rules for working mines involving easements, drainage, and other necessary means to their complete development ; and those conditions shall be fully expressed in the patent.
Stran 550 - In that respect they exercise a judicial function and, therefore, it has been held in various instances by this court that their judgment as to matters of fact, properly determinable by them, is conclusive when brought to notice in a collateral proceeding. Their judgment in such cases is, like that of other special tribunals upon matters within their exclusive jurisdiction, unassailable except by a direct proceeding for its correction or annulment.
Stran 531 - We are of opinion, therefore, that the term as used in the acts of Congress is applicable to any zone or belt of mineralized rock lying within boundaries clearly separating it from the neighboring rock.