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Автор(ы):Fanning C.M., Graham S.Teale
Издание:PGS Publishing, Linden Park, 2002 г., 11 стр.
Язык(и)Английский
The Portia - North Portia Cu-Au(-Mo) prospect, South Australia: timing of mineralization, albitisation and origin of ore fluid

Cu-Au(-Mo) mineralisation at the Portia-North Portia prospect is located under cover on the eastern flank of the Benagerie Ridge Magnetic Complex, within the Curnamona Province and approximately 125 km WNW of Broken Hill. The mineralisation is located within rocks which have a SHRIMP U-Pb zircon age of 1703 + 6 Ma, which is similar to Willyama Supergroup ages obtained from the Broken Hill and Olary Domains. The meta-sedimentary unit that hosts the mineralisation is approximately 200m thick and is overlain by carbonaceous phyllite, and underlain by a unit which is dominated by albite-magnetite-hematite. The host units contain numerous carbonate-rich domains intercalated with meta-evaporitic sediments. The sequence had undergone low-grade metamorphism and fabric development and was subsequently intensely albitised. Hydrothermal monazites formed during this albitisation event give SHRIMP II in situ U-Pb ages of ~1630 Ma. The albitised meta-sediments proved to be an excellent host to the later Cu-Au(-Mo) mineralisation. Abundant monazite associated with the mineralisation yield SHRIMP II ages of ~1605 Ma. It is possible that the numerous, highly fractionated and altered diorite bodies known to be present on the Benagerie Ridge, may have produced some of the metals. The "Hiltaba age" (-1585-1590 Ma) granites of the area cannot be considered as a source of the metals.

Редактор(ы):Altermann W., Catuneanu O., Eriksson P.G., Mueller W.U., Nelson D.R.
Издание:Elsevier, 2004 г., 966 стр., УДК: 0-444-51506-2
Язык(и)Английский
The precambrian Earth: tempos and events / Докембрийская земля: темпы и события

Many facets of Earth's evolution are intriguing, yet most of our attention is drawn to the more recent phases, as from the Cambrian epoch (c. < 540 Ma). The Precambrian Era, from 4.5 to 0.54 Ga, covers almost 90% of this planet's history but our knowledge of this segment of time remains elusive, save for selective aspects. Even though extensive research has been conducted on some topics, a significant diversity of opinions amongst researchers is evident and generally concerns the origin, the mechanism or the process inherent to a specific criterion. For example, did the atmosphere change with time?

Издание 3
Автор(ы):Paul G.S.
Издание:Princeton University Press, 2024 г., 384 стр., ISBN: 978-0-691-23157-0
Язык(и)Английский
The Princeton field guide to dinosaurs / Принстонский полевой справочник по динозаврам

If I were, at about age twenty as a budding paleozoologist and paleoartist, handed a copy of this book by a mysterious time traveler, I would have been shocked as well as delighted. The pages would reveal a world of new dinosaurs and ideas that I barely had a hint of or had no idea existed at all. My head would spin at the revelation of the therizinosaurs such as the wacky feathered Beipiaosaurus and at the biplane flying dromaeosaurids, not to mention the little halszkaraptors with their duck-like beaks, or the oversized shoulder spines of Gigantspinosaurus, the neck spines of Amargasaurus, the brow horns and atrophied arms of bulldog-faced Carnotaurus,

Автор(ы):Paul G.S.
Издание:Princeton University Press, 2022 г., 208 стр., ISBN: 978-0691193809
Язык(и)Английский
The Princeton Field Guide To Mesozoic Sea Reptiles / Принстонский полевой справочник по морским рептилиям мезозоя

The remains of ancient sea reptiles have been found by humans for millennia and may have helped form the basis for belief in mythical beasts, including dragons and sea serpents. In the prescientific West the claim in the Genesis creation story that the planet and all life were formed just two or three thousand years before the great Egyptian pyramids were built hindered the scientific study of fossils.

Автор(ы):Paul G.S.
Издание:Princeton University Press, 2022 г., 184 стр., ISBN: 978-0691180175
Язык(и)Английский
The Princeton field guide to pterosaurs / Принстонский полевой справочник по птерозаврам

Pterosaur remains have been found by humans for millennia and may have helped form the basis for belief in mythical beasts, including winged dragons. In the prescientific West, the claim in the Genesis creation story that the planet and all life were formed just two or three thousand years before the great Egyptian pyramids were built hindered the scientific study of fossils. The discovery and subsequent detailed illustration of the virtually complete and articulated skull and skeleton of the small Pterodactylus found in fine-grained Lagerstätte sediments of Bavaria in the late 1700s began modern pterosaur paleozoology decades before the discovery of teeth and a few bones led to the recognition of land-bound dinosaurs in the 1820s. The strange pterodactyl skeleton posed a major problem for early science because it was still thought that major extinctions had not occurred. The creature had a hyperelongated single finger, which was radically different from the feathery airfoils of birds and also uite distinctive from the multifingered wings of bats. Nor did the very long, spike-toothed jaws belong to either group. <...>

Издание 2
Автор(ы):Emmons W.H.
Издание:McGraw-Hill Book Company, New York - London, 1940 г., 529 стр.
Язык(и)Английский
The principles of economic geology / Принципы экономической геологии

Since the first edition of the "Principles of Economic Geology" appeared in 1918, great progress has been made in the subject. In the preparation of this, the second edition, it was desired to bring the general treatment and the descriptions of mining districts up to date and at the same time not to increase greatly the size of the book. To do this the descriptions have been cut down where possible and the number of maps and other illustrations has been increased considerably. It is believed that this is desirable because most geologists find maps and sections easier to read and often more illuminating than long descriptions. The number of footnote references has been greatly increased.

The text has been completely reset and rewritten. A few illustrations appearing in the first edition have been retained, but nearly all those appearing in the second edition are new. The number of illustrations is increased from 210 to 329.

Автор(ы):Dick L.A., Geny E.Ray
Издание:PGS Publishing, Linden Park, 2002 г., 20 стр.
Язык(и)Английский
The Productora Prospect in North-Central Chile: An Example of an Intrusion-Related, Candelaria Type Fe-Cu-Au Hydrothermal System

The Productora prospect is situated 15 km SSW of the town of Vallenar in the Third Region, north-central Chile. It lies within the "Chilean Iron Belt" close to the north-trending Atacama Fault system. The belt contains a variety of Fe oxide ±Cu ±Au-bearing deposits including Candelaria (366 million tonnes averaging 1.08 % Cu, 0.26 g/t Au) which is situated in the Punta del Cobre region approximately 150 km north of Productora. The age, structural setting, alteration assemblages and styles of mineralisation in the Productora area resemble those present at Candelaria, but Productora differs in its spatial association with intrusive rocks and its lack of skarn assemblages.

Автор(ы):Unwin D.M.
Издание:PI Press, 2006 г., 351 стр., ISBN: 0-1346309-Х
Язык(и)Английский
The pterosaurs from deep time / Птерозавры из глубины времен

The dragon blinked in the fierce light of the sun as it emerged from the clouds and banked hard, its tremendous wings arching under the load. Reflected in a massive dark eye, the world below slowly tilted into view. Vast herds of dinosaurs were strung out across a dusty yellow-orange plain, occasionally gathered in knots where they had stopped to feed on patches of stunted vegetation. Then came marshes and— the dragon focused— a long, still, clear-blue lake.

Автор(ы):Bobbette A.
Издание:Duke university press, London, 2023 г., 247 стр., ISBN: 9781478025054
Язык(и)Английский
The pulse of the Earth. Political geology in Java / Пульс Земли. Политическая геология на Яве

​Political geology was created to bring together geology and politics in new ways. It developed largely within a mgeographers and was, in part, inspired by discussions surrounding the Anthropocene. But political geology also resonated with conversations across the humanities with shared interests in the social life of geology and the geology of social life. Political geology attempted to extend those interests by foregrounding the geos in the geopolitical at the very moment when many contemporary geopolitical analyses had forgotten that the geos of politics was actual material: grounded geological processes.

Редактор(ы):Frey D.G., Wright H.E.
Издание:Princeton University Press, 1965 г., 931 стр.
Язык(и)Английский
The quaternary of the United States. A review volume for the VII congress of the international association for quaternary research / Четвертичный период США. Материалы 7-го конгресса международного совещания по проблемам исследования четвертичного периода

The quaternary of the United States THE QUATERNARY PERIOD of geologic time encompasses the last ice age proper (Pleistocene Epoch) and subsequent time (Holocene or Recent Epoch). The Quaternary is unique among the geologic periods for the relative perfection of its stratigraphic record—and thus for the unmatched opportunity it affords to decipher historical details with an accuracy impossible for earlier periods. The framework of the continents even in early-Quaternary time resembled that of the present so closely that major relations of land and sea and their effects on the general circulation of the atmosphere were probably very like those of the present, except perhaps when world-wide lowering of sea level exposed continental shelves or created significant land bridges between continents and arctic islands. Reconstructions of past conditions therefore may be controlled by a geographic framework relatively easy to visualize. <...>

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