By Jon Erickson

The learn of fossils, minerals, and gemstones has performed the most important roles in expanding our wisdom concerning the Earth, the alterations the planet has undergone, and the species that experience inhabited it. This quantity introduces the interesting disciplines of geology, paleontology, and mineralogy, and the way they demonstrate secrets and techniques of the Earth's historical past. assurance comprises: a scientific therapy of Earth heritage, rock kinds, marine fossils, terrestrial fossils, crystals, gem stones, and priceless metals that supply insights into Earth's personality; the most up-tp-date information on hand on such themes as international tectonics and faunal extinctions, together with a wealth of knowledge concerning the death of dinosaurs; new applied sciences in detecting and keeping rocks and minerals; and the results of abrasion and weather alterations.

Show description

Read Online or Download An Introduction to Fossils and Minerals: Seeking Clues to the Earth's Past (Living Earth) PDF

Best geology books

Four Revolutions in the Earth Sciences: From Heresy to Truth

Different Formats:
EPUB

Over the process the 20th century, scientists got here to simply accept 4 counterintuitive but primary proof in regards to the Earth: deep time, continental go with the flow, meteorite influence, and worldwide warming. while first advised, every one proposition violated medical orthodoxy and used to be speedy denounced as scientific--and occasionally religious--heresy. however, after many years of rejection, scientists got here to simply accept each one theory.

The tales at the back of those 4 discoveries replicate greater than the interesting push and pull of clinical paintings. They exhibit the provocative nature of technological know-how and the way it increases profound and occasionally uncomfortable truths because it advances. for instance, counter to logic, the Earth and the sun procedure are older than all of human life; the interactions one of the relocating plates and the continents they bring about account for almost all the Earth's floor positive factors; and approximately each very important characteristic of our sunlight process effects from the opportunity collision of items in area. such a lot astounding of all, we people have altered the weather of a whole planet and now threaten the way forward for civilization. This soaking up medical background is the single e-book to explain the evolution of those 4 rules from heresy to fact, displaying how technology works in perform and the way it unavoidably corrects the error of its practitioners. Scientists will be incorrect, yet they don't remain mistaken. within the strategy, miraculous principles are born, proven, and through the years take root.

Early-Middle Pleistocene Transitions: The Land-Ocean Evidence (Special Publication, No. 247)

The Early-Middle Pleistocene transition (around 1. 2 to zero. five Ma) marks a profound shift in Earth's weather nation. Low-amplitude forty-one ka weather cycles, dominating the sooner a part of the Pleistocene, gave means gradually to a a hundred ka rhythm of elevated amplitude that characterizes our current glacial-interglacial international.

Diagenesis, IV

The current quantity maintains the philosophy of amassing contributions on diagenesis on behalf of these requiring such periodic literary surveys, particularly, lecturers and practitioners (teachers, researchers, and oil and ore explorationists).

The Mendip Caves

The Mendip Caves examines the demographic beneficial properties of Wookey gap caves, and the Cheddar gorge and caves. This booklet comprises 8 chapters that debate the background of the locations and the caves. the 1st chapters addresses a few vital exploration of the subterranean river, Cox’s cave, Gough’s cave, Swallet caves, Rock shelters, and the Badger gap.

Extra resources for An Introduction to Fossils and Minerals: Seeking Clues to the Earth's Past (Living Earth)

Sample text

Evidence that life began very early in the Earth’s history when the planet was still quite hot exists today in the form of thermophilic (heat-loving) bacteria, found in thermal springs and other hot-water environments (Fig. 18). Because these bacteria lack a nucleus, which ceases to function in hot water, they can live and reproduce successfully even at temperatures well above the normal boiling point of water as long as it remains a liquid, which requires pressures equal to those in the deep sea.

The second is the Neogene period, from about 26 million years ago to the present, which includes the Miocene, Pliocene, Pleistocene, and Holocene epochs. ” The Cenozoic was a time of constant change, as all species had to adapt to a wide range of living conditions. Changing climate patterns resulted from the movement of continents toward their present positions, and intense tectonic activity built a large variety of landforms and raised most mountain ranges of the world. Except for a few land bridges exposed from time to time, plants and animals were prevented from migrating from one continent to another.

15). The tall volcanoes of the Cascade Range from northern California to Canada erupted in one great profusion after another. Extensive volcanism Figure 13 The lithospheric plates that constitute the Earth’s crust. Note the position of Nazca and the South American plates. (Courtesy USGS) 19 INTRODUCTION TO FOSSILS AND MINERALS Figure 14 The San Andreas Fault in southern California. (Photo by R. Wallace, courtesy USGS) Figure 15 Palouse Falls in Columbia River basalt, FranklinWhitman Counties, Washington.

Download PDF sample

Rated 4.92 of 5 – based on 24 votes