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Books > Sport & Leisure > Natural history, country life & pets > Rocks, minerals & fossils

DINOSAURS and other fossils (Paperback): Allen Paul DINOSAURS and other fossils (Paperback)
Allen Paul
R258 Discovery Miles 2 580 Ships in 18 - 22 working days
Understanding Minerals & Crystals (Paperback): Terence McCarthy, Bruce Cairncross Understanding Minerals & Crystals (Paperback)
Terence McCarthy, Bruce Cairncross
R399 Discovery Miles 3 990 Ships in 4 - 6 working days

Minerals are the building blocks of rocks – they make up the solid Earth’s crust. Understanding Minerals & Crystals takes a close look at minerals, how they form, why they differ and how to go about identifying them.

It begins by examining the nature of atoms and the way they bind together to form minerals with distinctive crystal structures; and it discusses the nature and classification of these crystals, and includes a mineral identification key.

The second part of the book contains detailed descriptions of some 80 common and important minerals, including how they were named, their properties, ID pointers, uses and where in the world they are found. All are lavishly illustrated with full-colour photographs.

This book will be invaluable to those interested in any of the earth sciences, or in mineral/crystal collecting – from academics and students to general enthusiasts.

Life Forms In Rock Forms (Paperback): Bakthi Ross Life Forms In Rock Forms (Paperback)
Bakthi Ross
R2,011 Discovery Miles 20 110 Ships in 18 - 22 working days
Rock Walks - An Explorer's Guide to Amazing Boulders and Rock Formations in Downstate New York (Paperback): Russell Dunn Rock Walks - An Explorer's Guide to Amazing Boulders and Rock Formations in Downstate New York (Paperback)
Russell Dunn
R612 Discovery Miles 6 120 Ships in 18 - 22 working days
The Age of Dinosaurs in Virginia and Nearby States (Paperback): Rob Weems The Age of Dinosaurs in Virginia and Nearby States (Paperback)
Rob Weems
R393 R368 Discovery Miles 3 680 Save R25 (6%) Ships in 18 - 22 working days
Understanding Life in the Universe (Paperback): Wallace Arthur Understanding Life in the Universe (Paperback)
Wallace Arthur
R538 Discovery Miles 5 380 Ships in 9 - 17 working days

The two most fascinating questions about extraterrestrial life are where it is found and what it is like. In particular, from our Earth-based vantage point, we are keen to know where the closest life to us is, and how similar it might be to life on our home planet. This book deals with both of these key issues. It considers possible homes for life, with a focus on Earth-like exoplanets. And it examines the possibility that life elsewhere might be similar to life here, due to the existence of parallel environments, which may result in Darwinian selection producing parallel trees of life between one planet and another. Understanding Life in the Universe provides an engaging and myth-busting overview for any reader interested in the existence and nature of extraterrestrial life, and the realistic possibility of discovering credible evidence for it in the near future.

The Crowsnest Volcanics [microform] (Paperback): John David B 1888 MacKenzie, Geological Survey of Canada The Crowsnest Volcanics [microform] (Paperback)
John David B 1888 MacKenzie, Geological Survey of Canada
R355 Discovery Miles 3 550 Ships in 18 - 22 working days
The Monteregian Hills -a Canadian Petrographical Province [microform] (Paperback): Frank D (Frank Dawson) 1859- Adams The Monteregian Hills -a Canadian Petrographical Province [microform] (Paperback)
Frank D (Frank Dawson) 1859- Adams
R405 Discovery Miles 4 050 Ships in 18 - 22 working days
Catalogue of a Stratigraphical Collection of Canadian Rocks [microform] - Prepared for the World's Columbian Exposition,... Catalogue of a Stratigraphical Collection of Canadian Rocks [microform] - Prepared for the World's Columbian Exposition, Chicago, 1893 (Paperback)
W F (Walter Frederick) 18 Ferrier, Geological Survey of Canada, World's Columbian Exposition 1893
R505 Discovery Miles 5 050 Ships in 18 - 22 working days
On the Origin of Eruptive and Primary Rocks [microform] (Paperback): Thomas 1834-1907 MacFarlane On the Origin of Eruptive and Primary Rocks [microform] (Paperback)
Thomas 1834-1907 MacFarlane
R414 Discovery Miles 4 140 Ships in 18 - 22 working days
Contributions to Lithology [microform] - I. Theoretical Notions; II. Classification and Nomenclature; III. On Some Eruptive... Contributions to Lithology [microform] - I. Theoretical Notions; II. Classification and Nomenclature; III. On Some Eruptive Rocks; IV. Local Metamorphism (Paperback)
Thomas Sterry 1826-1892 Hunt
R406 Discovery Miles 4 060 Ships in 18 - 22 working days
An Experimental Investigation Into the Flow of Marble [microform] (Paperback): Frank D (Frank Dawson) 1859- Adams, John T (John... An Experimental Investigation Into the Flow of Marble [microform] (Paperback)
Frank D (Frank Dawson) 1859- Adams, John T (John Thomas) Nicolson
R405 Discovery Miles 4 050 Ships in 18 - 22 working days
On the Origin and Classification of Original Rocks [microform] (Paperback): Thomas 1834-1907 MacFarlane On the Origin and Classification of Original Rocks [microform] (Paperback)
Thomas 1834-1907 MacFarlane
R412 Discovery Miles 4 120 Ships in 18 - 22 working days
On Some Points in Chemical Geology [microform] (Paperback): Thomas Sterry 1826-1892 Hunt On Some Points in Chemical Geology [microform] (Paperback)
Thomas Sterry 1826-1892 Hunt
R348 Discovery Miles 3 480 Ships in 18 - 22 working days
A Succinct Account of the Lime Rocks of Plymouth - Being the Substance of Several Communications, Read Before the Members of... A Succinct Account of the Lime Rocks of Plymouth - Being the Substance of Several Communications, Read Before the Members of the Geological Society, in London, and Partly Printed in Their Transactions: With Ten Lithographic Plates, of Some of the Most... (Paperback)
Richard Hennah
R473 Discovery Miles 4 730 Ships in 18 - 22 working days
Pennsylvania Mania - An Explorer's Guide to the Keystone State's Amazing Boulders & Rock Formations (Paperback):... Pennsylvania Mania - An Explorer's Guide to the Keystone State's Amazing Boulders & Rock Formations (Paperback)
Russell Dunn
R611 Discovery Miles 6 110 Ships in 18 - 22 working days
Beitreage Zur Petrographie Islands (German, Paperback): Wetzel, Wenk, Schwander, Stern Beitreage Zur Petrographie Islands (German, Paperback)
Wetzel, Wenk, Schwander, Stern
R1,047 R875 Discovery Miles 8 750 Save R172 (16%) Ships in 18 - 22 working days

Bei den gegenwartigen Diskussionen iiber globalgeologische und petrologi- sche Probleme des mittelatlantischen Riickens spielt Island eine ausschlagge- bende Rolle. Gemessen an der Bedeutung der Vulkaninsel fUr diese zentralen Fragen sind die Gesteine Islands jedoch sehr selektiv erforscht. Relativ gut bekannt sind vor allem die Produkte der heute tatigen Vulkane. Uber den Chemismus, die mineralogische Zusammensetzung und den Autbau der prahistorischen und vor allem der tertiaren Vulkanite, welche die Offnung des Atlantiks miterlebt haben, sind wir jedoch bloss punktuell informiert. Riesige Areale der Insel bilden in petrographischer und petrochemischer Hinsicht heute noch terra incognita. Da sich nur wenige Forscher dauemd mit dem Thema Island beschaftigen konnen und da sich diese Kollegen immer wieder Fragestellungen der Vulkaneruptionen des Tages zuwenden miissen, sollte sich die grosse Zahl von Erdwissenschaftem, welche die Insel fUr kurze Zeit besuchen, verpfiichtet flihlen, nach Moglichkeit Beitrage zu liefem und Liicken in unserer Kenntnis auszufUllen. In diesem Sinne ist unser Beitrag zu verstehen. Er entstand im Anschluss an Islandexkursionen in den Sommem 1971 und 1973 und befasst sich mit Material, das damals sowie auf friiheren Reisen des einen von uns (E. W.) gesammelt wurde. Die zwei genannten Exkursionen dienten der Einflihrung vorgeriickter Studierender und wissenschaftlicher Mitarbeiter von schweizerischen Hochschulen in Probleme des Vulkanismus.

Experimentelle Untersuchung Des Laminar-Turbulenten Umschlags an Einer Parallel Angestroemten Konkaven Wand (German, Paperback,... Experimentelle Untersuchung Des Laminar-Turbulenten Umschlags an Einer Parallel Angestroemten Konkaven Wand (German, Paperback, Softcover Reprint of the Original 1st 1972 ed.)
Hans Bippes
R1,463 Discovery Miles 14 630 Ships in 18 - 22 working days

In Erganzung zu den bisher durchgefuhrten experimentellen Unter- suchungen an konkaven Wanden wurde hier besonders angestrebt, den unmittelbaren Einfluss der Langswirbelstoerung auf den laminar-tur- bulenten Umschlag herauszufinden. Es musste daher versucht werden, andere Stoerungen, wie die Tollmien-Schlichting-Wellen, moeglichst zu vermeiden. Dies gelang weitgehend durch die Wahl besonders stark gekrummter Wande (R=O,5mund R= I m), in deren Grenzschicht die durch die Zentrifugalkraft hervorgerufene Instabilitat so stark ist, dass bei kleinen Geschwindigkeiten die laminare Stroemung bereits ge- gen gegenlaufig rotierende Langswirbelpaare instabil wird und in Tur- bulenzumschlagt, ehe sienach der linearisierten Theorie gegenTollmien- Schlichting-Wellen instabil wird. Beider Durchfuhrung der Versuche wurden zunachst mit der Wasser- stoffblaschenmethode die Stoerungen sichtbar gemacht, die sich auf naturliche Weise in der instabilen Grenzschicht entwickeln. Sie zeigen dreidimensionalen Charakterund weisen die inderTheorieangenommene Periodizitat in Spannweitenrichtung auf. Dasselbe Ergebnis stellte sich ein, alsderAnstroemungdurch einSieb vor dem Modell beliebigeAnfangs- stoerungen in isotroper Verteilung uberlagert wurden. Die durch diese Anordnung erwirkte groessere Regelmassigkeit des Stroemungsfeldes er- moeglichte es, zu den jeweiligen Versuchsbedingungen die Wellenlange der Langswirbelstoerung zu bestimmen. Es konnte dazu eine durch die linearisierte Theorie erklarbare Abhangigkeit der Wellenlange von der Anstroemgeschwindigkeit und der Modellkrummung festgestellt werden.

Crystal Haiku - Nature Poetry That ROCKS! (Paperback): Brenda DeHaan Crystal Haiku - Nature Poetry That ROCKS! (Paperback)
Brenda DeHaan
R276 Discovery Miles 2 760 Ships in 18 - 22 working days
Dinosaur Coloring Book for Kids with Facts - Gifts for Boys Who Like Dinosaurs - Paperback Coloring to (Paperback): Family... Dinosaur Coloring Book for Kids with Facts - Gifts for Boys Who Like Dinosaurs - Paperback Coloring to (Paperback)
Family Coloring Funny
R180 Discovery Miles 1 800 Ships in 18 - 22 working days
The Effect of Rock Properties on Bacteria Plugging in Reservoir Rocks (Paperback): James T Raleigh The Effect of Rock Properties on Bacteria Plugging in Reservoir Rocks (Paperback)
James T Raleigh
R611 Discovery Miles 6 110 Ships in 18 - 22 working days
Petrology of Bethel Sandstone of South-central Illinois; Report of Investigations No. 95 (Paperback): Willard Dickison Pye Petrology of Bethel Sandstone of South-central Illinois; Report of Investigations No. 95 (Paperback)
Willard Dickison Pye
R408 Discovery Miles 4 080 Ships in 18 - 22 working days
Igneous Minerals and Rocks (Hardcover): Ernest Eugene 1909- Wahlstrom Igneous Minerals and Rocks (Hardcover)
Ernest Eugene 1909- Wahlstrom
R955 Discovery Miles 9 550 Ships in 18 - 22 working days
Limestone Resources of Illinois; Illinois State Geological Survey Bulletin No. 46 (Paperback): Frank Krey Limestone Resources of Illinois; Illinois State Geological Survey Bulletin No. 46 (Paperback)
Frank Krey; Created by J E Joint Author Lamar
R684 Discovery Miles 6 840 Ships in 18 - 22 working days
Batholith and Associated Rocks of Corona, Elsinore, and San Luis Rey Quadrangles, Southern California (Hardcover): Esper S... Batholith and Associated Rocks of Corona, Elsinore, and San Luis Rey Quadrangles, Southern California (Hardcover)
Esper S (Esper Signius) 187 Larsen
R830 Discovery Miles 8 300 Ships in 18 - 22 working days
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