Report of the State Mineralogist, 11. izdajaState Office, 1893 |
Iz vsebine knjige
Zadetki 1–5 od 81
Stran 40
... schist , through dark intermediate varieties , to a syenite with distinct hornblende crystals . The greater part is ... schists ; strike north 75 ° west , dip 80 ° north . About Muletown there is an interesting series of 40 REPORT OF ...
... schist , through dark intermediate varieties , to a syenite with distinct hornblende crystals . The greater part is ... schists ; strike north 75 ° west , dip 80 ° north . About Muletown there is an interesting series of 40 REPORT OF ...
Stran 41
... schists replace this rock on the southern end of the mountain ; strike often a little south of west . On the western side of the mountain are dikes of a beautiful porphyritic diorite . These have a north and south direction . Similar ...
... schists replace this rock on the southern end of the mountain ; strike often a little south of west . On the western side of the mountain are dikes of a beautiful porphyritic diorite . These have a north and south direction . Similar ...
Stran 43
... schists with the eruptives , and sometimes in the eruptives . Judging from the amount of alteration , the dikes represent two periods ; the porphyritic dikes are in all cases the younger ; the older are com- pact , fine grained , and ...
... schists with the eruptives , and sometimes in the eruptives . Judging from the amount of alteration , the dikes represent two periods ; the porphyritic dikes are in all cases the younger ; the older are com- pact , fine grained , and ...
Stran 44
... schists . These schists belong to that class of rocks very numerous in Shasta County , whose origin is doubtful . Much more study is necessary to determine the question . Black , finely cleavable slates outcrop three fourths of a mile ...
... schists . These schists belong to that class of rocks very numerous in Shasta County , whose origin is doubtful . Much more study is necessary to determine the question . Black , finely cleavable slates outcrop three fourths of a mile ...
Stran 49
... schists . Actinolite is also found here . These crystals are not found in the massive ser- pentinoid rocks . Chromite occurs in spots , but not in sufficient amount to work . North of Little Slate Creek the serpentine approaches nearer ...
... schists . Actinolite is also found here . These crystals are not found in the massive ser- pentinoid rocks . Chromite occurs in spots , but not in sufficient amount to work . North of Little Slate Creek the serpentine approaches nearer ...
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 farther 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 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 531 - 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 550 - Where a tunnel is run for the development of a vein or lode, or for the discovery of mines, the owners of such tunnel shall have the right of possession of all veins or lodes within three thousand feet from the face of such tunnel on the line thereof, not previously known to exist, discovered in such tunnel, to the same extent as if discovered from the surface...
Stran 516 - An act granting the right of way to ditch and canal owners over the public lands, and for other purposes...
Stran 549 - 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 518 - The location must be distinctly marked on the ground so that its boundaries can be readily traced. 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 seventytwo, and until a patent has been issued therefor, not less than one...
Stran 533 - A location can only be made where the law allows it to be done. Any attempt to go beyond that will be of no avail. Hence a relocation on lands actually covered at the time by another valid and subsisting location is void ; and this not only against the prior locator, but all the world, because the law allows no such thing to be done.
Stran 523 - 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.
Stran 561 - 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 529 - ... must distinctly mark the location on the ground so that its boundaries may be readily traced, and post in some conspicuous place on such location, a notice in writing stating thereon the name or names of the locator or locators, his or their intention to locate the...
Stran 542 - 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.