The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin
The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin
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In our eReader you can find the full English version of the book. Read The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin 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 The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin
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The galena has entirely changed to the carbonate, and the pyrites to the sulphate of iron. The former is represented by the gray-blue band immediately under the White porphyry, and the latter by the yellow band below the blue. The latter zone was not rich enough to pass as ore, and its lower boundary could not be accurately determined, as it was seldom exposed. It is, however, very nearly the same as that given in the section. All the other lines on the plate are from actual measurements. The b...oundary between the carbonate and sulphate is abrupt and well denned, as is that between the latter and the iron-ore lying below it.
Section 2 is through a part of the small branch current of the Lower Water- loo. The same description holds here as in the former case. The blue belt is very highly oxidized lead-ore, rich in lead but containing some silica, and by no means as pure as the preceding. The yellow zone, which in this case is fine ore, occupies the same position as in the other section.
What to read after The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin?
You can find similar books in the "Read Also" column, or choose other free books by Louis D Louis Davidson Ricketts to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The galena has entirely changed to the carbonate, and the pyrites to the sulphate of iron. The former is represented by the gray-blue band immediately under the White porphyry, and the latter by the yellow band below the blue. The latter zone was not rich enough to pass as ore, and its lower boundary could not be accurately determined, as it was seldom exposed. It is, however, very nearly the same as that given in the section. All the other lines on the plate are from actual measurements. The b...oundary between the carbonate and sulphate is abrupt and well denned, as is that between the latter and the iron-ore lying below it.
Section 2 is through a part of the small branch current of the Lower Water- loo. The same description holds here as in the former case. The blue belt is very highly oxidized lead-ore, rich in lead but containing some silica, and by no means as pure as the preceding. The yellow zone, which in this case is fine ore, occupies the same position as in the other section.
What to read after The Ores of Leadville And Their Modes of Occurrence As Illustrated in the Mornin?
You can find similar books in the "Read Also" column, or choose other free books by Louis D Louis Davidson Ricketts to read onlineMoreLess
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