Igneous Rocks: A Classification and Glossary of Terms: by R. W. Le Maitre, A. Streckeisen, B. Zanettin, M. J. Le Bas,

By R. W. Le Maitre, A. Streckeisen, B. Zanettin, M. J. Le Bas, B. Bonin, P. Bateman

A long time of box and microscope stories, and more moderen quantitative geochemical analyses have led to an unlimited, and infrequently overwhelming, array of nomenclature and terminology linked to igneous rocks. This publication offers an entire class of igneous rocks in keeping with all of the techniques of the foreign Union of Geological Sciences (IUGS) Subcommission at the Systematics of Igneous Rocks. The word list of igneous phrases has been absolutely up to date because the first version and now comprises 1637 entries, of which 316 are steered through the Subcommission. Incorporating a finished bibliography of resource references for all of the phrases incorporated within the thesaurus, this ebook is an imperative reference consultant for all geologists learning igneous rocks, both within the box or the laboratory. It provides a standardised and extensively authorized naming scheme that would enable geologists to interpret terminology within the fundamental literature and supply formal names for rock samples in response to petrographic analyses. it's also supported by way of an internet site with downloadable code for chemical classifications.

Show description

Read Online or Download Igneous Rocks: A Classification and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks PDF

Similar mineralogy books

Advances in High-Pressure Techniques for Geophysical Applications

High-pressure mineral physics is a box that's strongly pushed by way of the improvement of recent expertise. Fifty years in the past, whilst experimentally available pressures have been restricted to only 25 GPa, little used to be find out about the mineralogy of the Earth's reduce mantle. Silicate perovskite, the most likely dominant mineral of the deep Earth, used to be pointed out basically while the high-pressure strategies broke the strain barrier of 25 GPa in Seventies.

Sample Preparation Handbook for Transmission Electron Microscopy: Methodology

This two-volume instruction manual is a accomplished and authoritative consultant to pattern guidance for the transmission electron microscope. this primary quantity covers normal theoretical and sensible elements of the methodologies used for TEM research and statement of any pattern. the data may help you to settle on the easiest preparative method in your program making an allowance for fabric kinds, buildings, and their homes.

Principles of Petroleum Reservoir Engineering

Quantity 1 of this publication handled the options in the back of the purchase, processing and interpretation of uncomplicated reservoir information. This moment vol­ ume is dedicated to the examine, verification and prediction of reservoir behaviour, and techniques of accelerating productiveness and oil restoration. I may still wish to deliver a number of issues to the reader's consciousness.

Catalogue of Meteorites from South America

The 1st Catalogue of Meteorites from South the US comprises new specimens by no means formerly said, whereas uncertain instances and pseudometeorites were intentionally passed over. The falling of those gadgets is a random occasion, however the websites the place previous meteorites are came upon are usually centred in yes parts, e.

Extra resources for Igneous Rocks: A Classification and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks

Example text

41–43. W. , 1983. Kimberlites near Orroroo, South Australia. In: Kornprobst, J. (Editor) Proceedings of the Third International Kimberlite Conference. Elsevier. 121–142. , 1989. Contrasting Group1 and Group-2 kimberlite petrology: towards a genetic model for kimberlites. Proceedings of the Fourth International Kimberlite Conference, Perth, Australia. Geological Society of Australia. 528–544. R. , 1985. Geochemical character of southern African kimberlites: a new approach based upon isotopic constraints.

Field 15 (foidite sensu lato) — the general root name of this field is foidite, but as these rocks occur relatively frequently the field has been subdivided into three: fields 15a , 15b and 15c as shown in Fig. 12. Field 15a (phonolitic foidite) — wherever possible replace the term foidite with a more specific term, such as phonolitic nephelinite. Alternatively, the term alkali feldspar foidite could be used as the root name, which would give specific terms such as sanidine nephelinite. Field 15b (tephritic foidite, basanitic foidite) — these two root names are separated according to their olivine content, as in field 14.

If garnet or spinel is greater than 5% use garnet peridotite, chromite dunite etc. 3 PROVISIONAL “FIELD” CLASSIFICATION The “field” classification of plutonic rocks should be used only as a provisional measure when an accurate mineral mode is not yet available. When available, the plutonic QAPF diagram should be used. The classification is based on a simplified version of the plutonic QAPF diagram (Streckeisen, 1976) and is shown in Fig. 10. e. use syenitic rock in place of syenitoid. Q 60 60 granitoid 65 20 A syenitoid 20 dioritoid gabbroid anorthosite 10 P 10 foid dioritoid foid syenitoid foid gabbroid 60 60 foidolite F Fig.

Download PDF sample

Rated 4.46 of 5 – based on 12 votes