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Author: Alfred E. Ringwood Publisher: Springer Science & Business Media ISBN: 1461261678 Category : Science Languages : en Pages : 302
Book Description
Since the beginning of civilization, the origins of the Earth and Moon have been the subjects of continuing interest, speculation, and enquiry. These are also among the most challenging of all scientific problems. They are, perhaps to a unique degree, interdisciplinary, having attracted the attention of philosophers, astronomers, mathematicians, geologists, chemists, and physicists. A large and diverse literature has developed, far beyond the capacity of individuals to assimilate adequately. Consequently, most of those who attempt to present review-syntheses in the area tend to reflect the perspectives of their own particular disciplines. The present author's approach is that of a geochemist, strongly influenced by the basic phil osophy of Harold Urey. Whereas most astronomical phenomena are controlled by gravitational and magnetic fields, and by nuclear interactions, Urey (1952) emphasized that the formation of the solar system occurred in a pressure-temperature regime wherein the chemical properties of matter were at least as important as those of gravitational and magnetic fields. This was the principal theme of his 1952 book, "The Planets," which revolutionized our approach to this subject. In many subsequent papers, Urey strongly emphasized the importance of meteorites in providing critical evidence of chemical conditions in the primordial solar nebula, and of the chemical fractionation processes which occurred during formation of the terrestrial planets. This approach has been followed by most subsequent geochemists and cosmochemists.
Author: Alfred E. Ringwood Publisher: Springer Science & Business Media ISBN: 1461261678 Category : Science Languages : en Pages : 302
Book Description
Since the beginning of civilization, the origins of the Earth and Moon have been the subjects of continuing interest, speculation, and enquiry. These are also among the most challenging of all scientific problems. They are, perhaps to a unique degree, interdisciplinary, having attracted the attention of philosophers, astronomers, mathematicians, geologists, chemists, and physicists. A large and diverse literature has developed, far beyond the capacity of individuals to assimilate adequately. Consequently, most of those who attempt to present review-syntheses in the area tend to reflect the perspectives of their own particular disciplines. The present author's approach is that of a geochemist, strongly influenced by the basic phil osophy of Harold Urey. Whereas most astronomical phenomena are controlled by gravitational and magnetic fields, and by nuclear interactions, Urey (1952) emphasized that the formation of the solar system occurred in a pressure-temperature regime wherein the chemical properties of matter were at least as important as those of gravitational and magnetic fields. This was the principal theme of his 1952 book, "The Planets," which revolutionized our approach to this subject. In many subsequent papers, Urey strongly emphasized the importance of meteorites in providing critical evidence of chemical conditions in the primordial solar nebula, and of the chemical fractionation processes which occurred during formation of the terrestrial planets. This approach has been followed by most subsequent geochemists and cosmochemists.
Author: Anton Daughters Publisher: University of Arizona Press ISBN: 0816540004 Category : Social Science Languages : en Pages : 201
Book Description
Memories of Earth and Sea recounts the history of more than two dozen islands clustered along the Patagonian flank of South America. Settled over the centuries by nomadic seafarers, indigenous farmers, and Spanish explorers, southern Chile’s Archipelago of Chiloé remained until recently a rural outpost resistant to cultural pressures from the mainland. Islanders developed a way of life heavily dependent on marine resources, native crops like the potato, and the cooperative labor practice known as the minga. Staring in the 1980s, Chiloé was thrust into the global economy when major companies moved into the region to extract wild stocks of fish and to grow salmon and shellfish for export. The archipelago’s economy shifted abruptly from one of subsistence farming and fishing to wage labor in export industries. Local knowledge, traditions, memories, and identities similarly shifted, with young islanders expressing a more critical view of the rural past than their elders. This book highlights the region’s unique past, emphasizing the generational tensions, disconnects, and continuities of the last half century. Drawing on interviews, field observations, and historical documents, Anton Daughters brings to life one of South America’s most culturally distinct regions.
Author: Bernard L. Fontana Publisher: ISBN: Category : Social Science Languages : en Pages : 166
Book Description
An appreciation of the Tohono O'odham (long known as the Papago) Indians, whose reservation is the second largest in the United States. "Fontana, who has lived at the edge of the Tohono O'odham (formerly Papago) Reservation for decades, provides sympathetic insight into the history and lifeways of these gentle desert dwellers. Schaefer's photographs, many of them portraits, add timeliness and immediate presence." --Books of the Southwest "An unsurpassed insight into the Papago world, past and present." --Arizona Highways
Author: Karenne Wood Publisher: University of Arizona Press ISBN: 9780816521654 Category : Poetry Languages : en Pages : 92
Book Description
ÒTen thousand years of history, and we find the remains of ancestors removed from their burial mound . . . Ò Impressions of the past, markings on earth, are part of the world of Karenne Wood. A member of the Monacan tribe of Virginia, she writes with insight and grace on topics that both reflect and extend her Native heritage. Markings on Earth is a cyclical work that explores the many dimensions of human experience, from our interaction with the environment to personal relationships. In these pages we relive the arrival of John Smith in America and visit the burial mounds of the Monacan people, experience the flight of the great blue heron and witness the dance of the spider. We also share the personal journey of one individual who seeks to overcome her sense of alienation from her people and her past. WoodÕs palette is not only Nature but human nature as well. She writes pointedly about shameful episodes of American history, such as the devastation of Appalachia by mining companies and the ÒdisappearanceÓ of Indian peoples. She also addresses forms of everyday violence known to many of us, such as alcoholism and sexual abuse. Wood conveys an acceptance of history and personal trauma, but she finds redemption in a return to tradition and a perception of the worldÕs natural grace. Through these elegantly crafted words, we come to know that Native writers need not be limited to categorical roles determined by their heritage. Markings on Earth displays a fidelity to human experience, evoking that experience through poems honed to perfection. It is an affirmation of survival, a work that suggests one personÕs life cannot be separated from the larger story of its community, its rootedness in history, and its timeless connections to the world.
Author: Clémence Dupont Publisher: Prestel ISBN: 9783791373737 Category : Adaptation (Biology) Languages : en Pages : 0
Book Description
The story of life on earth unfolds in dramatic fashion in this amazing concertina picture book that takes readers from 4.6 billion years ago to the present day. Fully expanded to 8 meters (26 feet), this spectacular visual timeline is a very impressive panorama that reveals evolution in all its glory. Full color.
Author: Yolanda Broyles-González Publisher: ISBN: 9780816529797 Category : Biography & Autobiography Languages : en Pages : 0
Book Description
Pilulaw Khus has devoted her life to tribal, environmental, and human rights issues. With impressive candor and detail, she recounts those struggles here, offering a Native woman’s perspective on California history and the production of knowledge about indigenous peoples. Readers interested in tribal history will find in her story a spiritual counterpoint to prevailing academic views on the complicated reemergence of a Chumash identity. Readers interested in environmental studies will find vital eyewitness accounts of movements to safeguard important sites like Painted Rock and San Simeon Point from developers. Readers interested in indigenous storytelling will find Chumash origin tales and oral history as recounted by a gifted storyteller. The 1978 Point Conception Occupation was a turning point in Pilulaw Khus’s life. In that year excavation began for a new natural gas facility at Point Conception, near Santa Barbara, California. To the Chumash tribal people of the central California coast, this was desecration of sacred land. In the Chumash cosmology, it was the site of the Western Gate, a passageway for spirits to enter the next world. Frustrated by unfavorable court hearings, the Chumash and their allies mobilized a year-long occupation of the disputed site, eventually forcing the energy company to abandon its plan. The Point Conception Occupation was a landmark event in the cultural revitalization of the Chumash people and a turning point in the life of Pilulaw Khus, the Chumash activist and medicine woman whose firsthand narrations comprise this volume. Scholar Yolanda Broyles-González provides an extensive introductory analysis of Khus’s narrative. Her analysis explores “re-Indianization” and highlights the newly emergent Chumash research of the last decade. In the world of book publishing, this volume from a traditional Chumash woman elder is a first. It puts a 20th (and 21st) century face, name, identity, humanity, personality, and living voice on the term Chumash.
Author: Ray Gonz‡lez Publisher: University of Arizona Press ISBN: 9780816524075 Category : Literary Collections Languages : en Pages : 186
Book Description
In his distinctive and spirited way, Ray Gonzalez, the well-known essayist, poet, fiction writer, and anthologist, reflects on the American SouthwestÑwhere he was raised and to which he still feels attached (even though he has lived much of his life elsewhere). It is a place that tugs at him, from its arid desert landscapes to its polyglot citiesÑpart Mexican, part Anglo, part something in-betweenÑalways in the process of redefining themselves. Nowhere does the process of redefinition hit Gonzalez quite as hard as in his native city of El Paso, Texas. There he finds the Òsegregated little town of my childhoodÓ transformed into Òa metropolis of fast Latino zip codes . . . a world where the cell phone, the quick beer, the rented apartment, and the low-paying job say you can be young and happy on the border.Ó Readers will wonder, along with the author, whether life along the Ònew borderÓ is worth Òthe extermination of the old boundaries.Ó But there is another side of the Southwest for this Òson of the desertÓÑthe world of dusty canyons, ponderosa pines, ocotillo, and mesquite. Here, he writes, Òthere is a shadow, and it is called ancient homeÑstructures erased from their seed to grow elsewhere, vultured strings searching for a frame that stands atop history and renames the ground.Ó Rooted in the desert sand and in the banks of the Rio Grande, the muddy river that forms the border between nations, these essays are by turns lyrical, mournful, warm to the ways of the land, and lukewarm to the ways of man.
Author: Conrad J. Storad Publisher: Lerner Publications ™ ISBN: 1541506596 Category : Juvenile Nonfiction Languages : en Pages : 41
Book Description
The outside layer of our planet is an active place. Earth's crust is always growing and changing. But do you know how Earth's crust forms? And what happens when its plates shift suddenly? Find out more about the moves that make mountains and ocean ridges in this interesting book!
Author: Alexander E. Gates Publisher: Infobase Publishing ISBN: 1438109199 Category : Earth sciences Languages : en Pages : 353
Book Description
Profiles more than 150 scientists from around the world who made important contributions to the study of earth science, including Don L. Anderson, Marie Luisa Crawford, Hans P. Eugster, Marshall Kay, and Manik Talwani.
Author: Alfred E. Ringwood
Author: Alfred E. Ringwood
Author: Anton Daughters
Author: J. Michael Timmons
Author: Bernard L. Fontana
Author: Karenne Wood
Author: Clémence Dupont
Author: Yolanda Broyles-González
Author: Ray Gonz‡lez
Author: Conrad J. Storad
Author: Alexander E. Gates