Geology and Petrology of Quaternary Volcanic Islands Off the North Coast of New Guinea PDF Download
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Author: George Anthony Morgan Taylor
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 127
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Book Description
Author: George Anthony Morgan Taylor
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 127
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Book Description
Author: J.L. Gressit
Publisher: Springer Science & Business Media
ISBN: 9400986327
Category : Science
Languages : en
Pages : 962
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Book Description
J. L. Gressitt New Guinea is a fantastic island, unique and fascinating. It is an area of incredible variety of geomorphology, biota, peoples, languages, history, tradi tions and cultures. Diversity is its prime characteristic, whatever the subject of interest. To a biogeographer it is tantalizing, as well as confusing or frustrating when trying to determine the history of its biota. To an ecologist, and to all biologists, it is a happy hunting ground of endless surprises and unanswered questions. To a conservationist it is like a dream come true, a "flash-back" of a few centuries, as well as a challenge for the future. New Guinea is so special that it is hard to compare it with other islands or tropical areas. It is something apart, with its very complicated history (chapters I: 2-4, II: 1-4, III: I, VI: I, 2). It is partly old but to a great extent very young, yet extremely rich and complex. It has biota of different sources - to such a degree that it is still disputed in this volume as to what Realm it belongs to: the Paleotropical or Notogaean (Australian); or what Region: Oriental, "Oceanic," Papuan or Australian. The terms Papuasian, Indo-Australian and Australasian also have been applied to the area.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 406
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Book Description
Author: F. Barker
Publisher: Elsevier
ISBN: 1483289605
Category : Nature
Languages : en
Pages : 676
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Book Description
Developments in Petrology, 6: Trondhjemites, Dacites, and Related Rocks focuses on the geology, geochemistry, and petrology of several kinds of trondhjemites, dacites, and genetically related rocks. The selection first elaborates on the definition, environment, and hypotheses of origin of trondhjemite; a review of the mineralogy and chemistry of tertiary-recent dacitic, latitic, rhyolitic, and related salic volcanic rocks; and some trace elements in trondhjemites and their implications to magma genesis and paleotectonic setting. Discussions focus on tectonic environments and trace element patterns, selection and reliability of trace elements, interrelationships between mineralogy and chemistry, and regional variations of dacitic and rhyolitic magmas. The publication then tackles strontium isotope geochemistry of late Archean to late Cretaceous tonalites and trondhjemites; Archean gray gneisses and the origin of the continental crust in West Greenland; and metamorphic development of early Archean tonalitic and trondhjemitic gneisses in Saglek Area, Labrador. The book examines the petrology, geochemistry, and origin of the Sparta quartz dioritetrondhjemite complex; reconnaissance geochemistry of Devonian island-arc volcanic and intrusive rocks in West Shasta District, California; and origin of the Twillingate trondhjemite in North-Central Newfoundland. The selection is highly recommended for geologists and geochemists wanting to explore trondhjemites, dacites, and genetically related rocks.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 624
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Book Description
Author: Christopher G. Newhall
Publisher:
ISBN:
Category : Calderas
Languages : en
Pages : 620
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Book Description
Author: Warren Bell Hamilton
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 364
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 432
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Book Description
Author: Jeffrey C. Wynn
Publisher:
ISBN:
Category : Anisotropy
Languages : en
Pages : 450
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Book Description
A study of the effects of electromagnetic coupling in dipole-dipole and pole-dipole induced polarization field measurements, with evaluation of a coupling-removal technique.
Author: R. Wally Johnson
Publisher: ANU E Press
ISBN: 1922144231
Category : Science
Languages : en
Pages : 416
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Book Description
Volcanic eruptions have killed thousands of people and damaged homes, villages, infrastructure, subsistence gardens, and hunting and fishing grounds in Papua New Guinea and the Solomon Islands. The central business district of a town was destroyed by a volcanic eruption in the case of Rabaul in 1994. Volcanic disasters litter not only the recent written history of both countries—particularly Papua New Guinea—but are recorded in traditional stories as well. Furthermore, evidence for disastrous volcanic eruptions many times greater than any witnessed in historical times is to be found in the geological record. Volcanic risk is greater today than at any time previously because of larger, mainly sedentary populations on or near volcanoes in both countries. An attempt is made in this book to review what is known about past volcanic eruptions and disasters with a view to determining how best volcanic risk can be reduced today in this tectonically complex and volcanically threatening region.
