Arizona And Sonora: the Geography, History, And Resources of the Silver ...
Arizona And Sonora: the Geography, History, And Resources of the Silver ...
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In our eReader you can find the full English version of the book. Read Arizona And Sonora: the Geography, History, And Resources of the Silver ... Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Arizona And Sonora: the Geography, History, And Resources of the Silver ...
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The second class, a quartzy lead ore with little tetrahedrite, averaged eighty- oue ounces to the ton.
Digitized by Google I Mineralogical Sketch of Arizona. I7i Cahuabi Mi7ies. — Westward of the Baboquiveri range, on the outskirts of the desert, in a (jountry clothed with only bushy mesquit and cacti, and almost destitute of water, there exists a region which, from the character of its veins, appears to contain greater mineral wealth than any other part of Arizona yet explored. It is situated ...in the centre of a large plain, forming part of the Papagoria, and about eighty miles by trail northwest of Tubac.
The veins which I observed occur in a quartziferous porphyry and in an amygdaloid rock. This latter has a brown compact base, containing numerous acicular crys- tals of triclinic feldspar, and calcareous spar in impreg- nations and small threads. Cavities, some filled with quartz and others with Delessite, are frequent. In this formation is the Cahuabi vein. It is from twelve to fif- teen inches thick, and consists of quartz and heavy spar, containing argentiferous copper glance, galena and black tetrahedrite.
What to read after Arizona And Sonora: the Geography, History, And Resources of the Silver ...?
You can find similar books in the "Read Also" column, or choose other free books by Mowry Sylvester to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The second class, a quartzy lead ore with little tetrahedrite, averaged eighty- oue ounces to the ton.
Digitized by Google I Mineralogical Sketch of Arizona. I7i Cahuabi Mi7ies. — Westward of the Baboquiveri range, on the outskirts of the desert, in a (jountry clothed with only bushy mesquit and cacti, and almost destitute of water, there exists a region which, from the character of its veins, appears to contain greater mineral wealth than any other part of Arizona yet explored. It is situated ...in the centre of a large plain, forming part of the Papagoria, and about eighty miles by trail northwest of Tubac.
The veins which I observed occur in a quartziferous porphyry and in an amygdaloid rock. This latter has a brown compact base, containing numerous acicular crys- tals of triclinic feldspar, and calcareous spar in impreg- nations and small threads. Cavities, some filled with quartz and others with Delessite, are frequent. In this formation is the Cahuabi vein. It is from twelve to fif- teen inches thick, and consists of quartz and heavy spar, containing argentiferous copper glance, galena and black tetrahedrite.
What to read after Arizona And Sonora: the Geography, History, And Resources of the Silver ...?
You can find similar books in the "Read Also" column, or choose other free books by Mowry Sylvester to read onlineMoreLess
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