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Author: L. Fletcher Publisher: ISBN: 9781331958963 Category : Science Languages : en Pages : 170
Book Description
Excerpt from An Introduction to the Study of Rocks and Guide to the Museum Collection The mineral products of Nature; Rocks; Their various points of interest; The mineral species and varieties; The mineral products which are apparently simple but really mixtures; Crystals, amorphous bodies and irregular aggregates; The boundary of a rock; The general similarity of characters throughout; The existence of petrical individuals; The lithical characters of rocks; The petrical characters of rocks; The distribution of rocks into kinds; The selection of characters to be used for the distribution into kinds; Consideration of the more common kinds; A preliminary grouping of these kinds; Importance of those lithical characters which may possibly be related to the mode of origin of the rock; Characters to be emphasised; The modes of origin of the above kinds; A nearer approximation to a natural system of classification; Processes by which rocks have been formed and have attained their present characters; The modes of origin of basalt and granite; The granite, quartz-felsite, rhyolite and obsidian series; The gabbro, dolerite, basalt and tachylyte series; The position to be assigned to phonolite; The allied felspar-less rocks; The modes of origin of the crystalline schists; The effect of later research on the classification of rocks; The most important kinds of rocks; The arrangement of the rocks in the cases; Index About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: L. Fletcher Publisher: ISBN: 9781331958963 Category : Science Languages : en Pages : 170
Book Description
Excerpt from An Introduction to the Study of Rocks and Guide to the Museum Collection The mineral products of Nature; Rocks; Their various points of interest; The mineral species and varieties; The mineral products which are apparently simple but really mixtures; Crystals, amorphous bodies and irregular aggregates; The boundary of a rock; The general similarity of characters throughout; The existence of petrical individuals; The lithical characters of rocks; The petrical characters of rocks; The distribution of rocks into kinds; The selection of characters to be used for the distribution into kinds; Consideration of the more common kinds; A preliminary grouping of these kinds; Importance of those lithical characters which may possibly be related to the mode of origin of the rock; Characters to be emphasised; The modes of origin of the above kinds; A nearer approximation to a natural system of classification; Processes by which rocks have been formed and have attained their present characters; The modes of origin of basalt and granite; The granite, quartz-felsite, rhyolite and obsidian series; The gabbro, dolerite, basalt and tachylyte series; The position to be assigned to phonolite; The allied felspar-less rocks; The modes of origin of the crystalline schists; The effect of later research on the classification of rocks; The most important kinds of rocks; The arrangement of the rocks in the cases; Index About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: L. Fletcher
Author: L. Fletcher
Author: New York State Museum and Science Service
Author: James George Needham
Author: New York State Museum and Science Service
Author: New York State Museum
Author: 
Author: New York State Museum
Author: Homer Doliver House
Author: New York (State). Legislature
Author: British Museum (Natural History). Department of Mineralogy