Text-book of petrology : containing a summary of the modern theories of petro genesis, a description of the rock-forming minerals and a synopsis of the chief types of the igneous rocks and their distribution as
A new species of rock-dwelling Leiolepis is described from the Khorat Plateau in northeastern Thailand. Leiolepis glaurungsp. nov. can be differentiated from all other sexual species of Leiolepis by a combination of having a black gular region with a wide medial yellow stripe, a yellow vent...
Text-book of Petrology, containing a Summary of the Modern Theories of Petrogenesis, a Description of the Rock-forming Minerals, and a Synopsis of the Chief Types of the Igneous Rocks and their Distribution, as illustrated by the British Isles. By Dr. F. H. Hatch. Fifth edition, revised ...
内容提示: Description of igneous rocks The classification of igneous rocks is based first on the size of grains and second on the mineralogical composition.A coarsegained rock is one in which the grain size is large enough for us to recognize individual minerals either with the naked eve or ...
This handbook explains how to observe igneous rocks in the field, from the scale of hand specimens and outcrops to that of regional field relationships. There are 12 chapters: 1, introduction; 2, field techniques; 3, description of igneous rock outcrops; 4, hand specimens and their interpreta...
Proposal for the basic description and classification of the rock mass for general technical purposes. Conference. In German. 1T, 3R : Habenicht, H Montan. Hochsch. Leoben, A Proc. Third Congress Int. Soc. Rock Mech. Denver, 1974, V2, Part A, 1974, P52–59...
The Field Description of Metamorphic Rocks This handbook describes how metamorphic rocks and rock masses may be observed, recorded and mapped in the field. Written at a level suitable for undergraduate students of geology, this book (as with its companion volumes in the series) has firmly ...
Description of igneous rocks The classification of igneous rocks is based first on the size of grains and second on the mineralogical composition.A coarsegained rock is one in which the grain size is large enough for us to recognize individual minerals either with the naked eve or with the ...
1. A physical description of the material, including its color and physical form.物理性质的描述, 包括颜色和物理形态.2. Product Description: [ Material ] strap is a retractable - type rubber material.产品介绍: [ 材质 ] 表带是可伸缩型橡胶材料.3. This material is gathered using the...
First-principle network models are crucial to understanding the intricate topology of real complex networks. Although modelling efforts have been quite successful in undirected networks, generative models for networks with asymmetric interactions are sti