Notes Accompanying the Lectures on Geology Applied to Mining; A Course Given at Michigan College of Mines (Paperback)


This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1910. Not illustrated. Excerpt: ... The Globe District. -- The Globe district produced in round numbers 35,000,000 pounds of copper in 1907. This district is situated in the southeast central part of Arizona, including portions of Gila and Pinal Counties. It lies in the heart of the mountain region of Arizona, the Pinal range extending across the Globe Quadrangle from northwest to southeast. The formations occurring in the Quadrangle, in descending order, are as follows: Quaternary Tertiary Triassic, Jurassic or Cretaceous.. 1. Alluvium. Sands and gravels along streams and in valleys. 2. Gila Conglomerate. Fluviatile deposits of ir regularly bedded conglomerates, breccias, grits and tuffs. 3. Basalt. Surface flow intercalated in Gila con glomerate and small intrusive masses. C 1. Whitetail Formation. Usually composed of subangular fragments of diabase and limestone. 2. Dacite. Surface flow and underlying tuff. 1. Diorite Porphyry. Small sills and dikes in trusive in Globe limestone, Apache group, Madera diorite and diabase. 2. Diabase. Intrusive in Globe limestone and Apache group as thick sills and irregular masses. Devonian and J Carboniferous . Globe Limestone. Hard, buff and gray limestone in beds ranging in thickness from 1 to 6 feet. Cambrian Pre-Cambrian ... Apache Group. Chiefly quartzite with subordinate amounts of shale and conglomerate. 1. Pinal Schist. Muscovite or sericite schist of sedimentary origin with a little amphibolite schist and some incompletely altered grits. 2. Several varieties of granite intrusive into Pinal schist. Also diorite, metadiabase and monzonite intrusive into Pinal schist. The principal mines of the Globe District are the Old Dominion and United Gold properties, the Summit Group and the Buffalo Mountain. The output for 1907 was about 35,000,000 pounds. In 19...

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1910. Not illustrated. Excerpt: ... The Globe District. -- The Globe district produced in round numbers 35,000,000 pounds of copper in 1907. This district is situated in the southeast central part of Arizona, including portions of Gila and Pinal Counties. It lies in the heart of the mountain region of Arizona, the Pinal range extending across the Globe Quadrangle from northwest to southeast. The formations occurring in the Quadrangle, in descending order, are as follows: Quaternary Tertiary Triassic, Jurassic or Cretaceous.. 1. Alluvium. Sands and gravels along streams and in valleys. 2. Gila Conglomerate. Fluviatile deposits of ir regularly bedded conglomerates, breccias, grits and tuffs. 3. Basalt. Surface flow intercalated in Gila con glomerate and small intrusive masses. C 1. Whitetail Formation. Usually composed of subangular fragments of diabase and limestone. 2. Dacite. Surface flow and underlying tuff. 1. Diorite Porphyry. Small sills and dikes in trusive in Globe limestone, Apache group, Madera diorite and diabase. 2. Diabase. Intrusive in Globe limestone and Apache group as thick sills and irregular masses. Devonian and J Carboniferous . Globe Limestone. Hard, buff and gray limestone in beds ranging in thickness from 1 to 6 feet. Cambrian Pre-Cambrian ... Apache Group. Chiefly quartzite with subordinate amounts of shale and conglomerate. 1. Pinal Schist. Muscovite or sericite schist of sedimentary origin with a little amphibolite schist and some incompletely altered grits. 2. Several varieties of granite intrusive into Pinal schist. Also diorite, metadiabase and monzonite intrusive into Pinal schist. The principal mines of the Globe District are the Old Dominion and United Gold properties, the Summit Group and the Buffalo Mountain. The output for 1907 was about 35,000,000 pounds. In 19...

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Product Details

General

Imprint

General Books LLC

Country of origin

United States

Release date

2012

Availability

Supplier out of stock. If you add this item to your wish list we will let you know when it becomes available.

First published

2012

Authors

Dimensions

246 x 189 x 4mm (L x W x T)

Format

Paperback - Trade

Pages

70

ISBN-13

978-1-150-27685-9

Barcode

9781150276859

Categories

LSN

1-150-27685-1



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