Report of James W. Taylor, on the Mineral Resources of the United States East of the Rocky Mountains [1867]U.S. Government Printing Office, 1868 - 71 strani |
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Stran 6
... Placer mountain ; vein from 30 to 40 feet wide , and occasionally intersected by deposits of white sandstone ; assay of ore , copper , 71 ; silver , 4 ; iron , 12 ; unexamined scoria , 13. 6. Ocate , near Santa Fé , vein 12 to 20 feet ...
... Placer mountain ; vein from 30 to 40 feet wide , and occasionally intersected by deposits of white sandstone ; assay of ore , copper , 71 ; silver , 4 ; iron , 12 ; unexamined scoria , 13. 6. Ocate , near Santa Fé , vein 12 to 20 feet ...
Stran 40
... placer deposits ever worked . It remained , however , for others than " Gold Tom " to unearth the precious dust whose resting place had ' been so often pressed by his footstep . Stuart and his party had removed to the vicinity of Fort ...
... placer deposits ever worked . It remained , however , for others than " Gold Tom " to unearth the precious dust whose resting place had ' been so often pressed by his footstep . Stuart and his party had removed to the vicinity of Fort ...
Stran 43
... placers , and a wide expanse of as yet but par- tially developed quartz leads ... deposits . As already intimated , the formations of the Territory are marked ... placer washings lower down the mountain , at that point where Alder gulch ...
... placers , and a wide expanse of as yet but par- tially developed quartz leads ... deposits . As already intimated , the formations of the Territory are marked ... placer washings lower down the mountain , at that point where Alder gulch ...
Stran 44
United States. Department of the Treasury, James Wickes Taylor. MINING REGIONS . - Under this designation we embrace all placer deposits , both the super- ficial detrital formations and the deep - lying conglomerate - like cement ...
United States. Department of the Treasury, James Wickes Taylor. MINING REGIONS . - Under this designation we embrace all placer deposits , both the super- ficial detrital formations and the deep - lying conglomerate - like cement ...
Stran 45
... placer deposits . Vein mining both for gold and silver is just beginning to come prominently into notice . Gold quartz of greater or less promise has been found in the immediate vicinity of all the localities once celebrated for their ...
... placer deposits . Vein mining both for gold and silver is just beginning to come prominently into notice . Gold quartz of greater or less promise has been found in the immediate vicinity of all the localities once celebrated for their ...
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Report of James W. Taylor, on the Mineral Resources of the United States ... James Wickes Taylor Predogled ni na voljo - 2018 |
Pogosti izrazi in povedi
20 per cent aggregate Alder gulch amount artesian assay auriferous average Bannock basin beds belt boring California centre cents per pound claim coast Cobequid hills Colorado considerable copper cretaceous Deer Lodge Deer Lodge county depth discovered discovery distance Drab clay east eastern estimate exploration extent favorable feet formation Fort Benton galena gallon geological gold and silver gold districts gold mining gold-bearing granite Helena inches iron Lake land Laramie Laramie plains lead ledge lignite localities lode Mexico mills mineral Missouri river Montana nearly Nova Scotia ounces Pacific passed placer deposits placer mining portion pre-emption present profit province quantity quartz quartz veins quartzite railroad railway range region rich rock Rocky mountains sandstone Saskatchawan seams shore silurian smelting square miles strata streams sulphurets Summit surface Tangier Territory thickness tion tributary valley vicinity Victoria Virginia City washings western yield