Department of Physics

Manicouagan crater, Quebec, Canada is visible in the background. Exhumed paleoplains of the Precambrian shield of North America. American Journal of Science, , — The viscous flow behavior of diaplectic glass and fusion-formed glass: A Comparitive study on shocked anorthosite from Manicouagan crater, Canada. Diaplectic glass and fusion-formed glass: Comparative studies on shocked anorthosite from Manicouagan crater, Canada. Diaplectic labradorite glass from the Manicouagan impact crater. Physical properties, crystallization, structural and genetic implications. Physics and Chemistry of Minerals, 8, —

How Old is the Earth

Late Precambrian Marine regression, anoxia, sluggish ocean, biological stress, etc. Nine major mass extinctions and their suggested cause or causes. Theories of dinosaur extinction Naturally, such a mystery as dinosaur extinction has spawned a wide range of theories, ranging from the plausible to the entertaining.

Identification of the projectile at Brent crater, and further considerations of projectile types at terrestrial craters.

If a layer, say 0. Considering that good satellite data on meteoritic influx were available before Morris 92 and Slusher published their papers, they obviously have been highly selective in their choice of obsolete data. A more fundamental point, however, is that such calculations are based on faulty premises, including the erroneous assumptions that the meteoritic influx has remained constant for 4.

Apparently, Morris and Parker 97 have credited Slusher with a calculation that he did not do. Table 10 , no. Morris 92 notes that intrusive rocks are much more common than lava flows: Thus, the entire crust could have been formed by volcanic activity at present rates in only million years, which would only take us back into the Cambrian period. The uniformitarian model once again leads to a serious problem and contradiction.

Consequently the maximum age of the atmosphere, assuming no original helium in the atmosphere, would be As a matter of fact, Henry Faul Faul, has cited evidence that the rate of efflux of helium into the atmosphere … is about times greater than the value used by Cook. This in turn would reduce the age of the atmosphere down to several thousand years! The helium balance in the atmosphere has been a subject of much study Calculations show that at the present rates of production 13 , the entire atmospheric content of 4He and 3He could be supplied in about 2.

The extinction of the dinosaurs

When were the accounts of Egypt and Sumer written? Doug Shaver The “geological column” for example is not science per se, as you need observers but none can be provided. I’m not sure what this means.

Climatic Change, 85 ,

Mode 3 technologies and the evolution of modern humans. Cambridge Archaeological Journal 7 1: While the archaeological record has been used to support or refute various aspects of the theories, and to provide a behavioural framework for different biological models, there has been little attempt to employ the evidence of stone tool technology to unravel phylogenetic relationships.

Here we examine the evidence that the evolution of modern humans is integrally related to the development of the Upper Palaeolithic and similar technologies, and conclude that there is only a weak relationship. The implications of this for the evolution of Neanderthals, the multiple pattern of human dispersals, and the nature of cognitive evolution, are considered. The last fifteen years have seen an intense debate over the origins and evolution of anatomically and behaviourally modern humans.

The Multiregional Model MM interprets the palaeontological evidence as indicating the gradual evolution of modern humans over a period of one to two million years. There would be no sharp chronological breaks in this evolutionary process, and most importantly, regional traits found in living populations would have been established in the deep past, modem features superimposed on them. In other words, the evolution of modem humans would have occurred across a broad geographical area from a number of regionally adapted archaic populations.

The key mechanism in this model is continuous gene flow across the world throughout the Pleistocene, holding the hominid population together. This homogenizing gene flow would have taken place in a balanced equilibrium with regional selective pressures that allowed the establishment and maintenance of distinct morphologies.

The Single Origin Model SOM , on the other hand, proposes that modem humans evolved in a restricted geographical area and dispersed in the relatively recent past across the world, displacing, for the most part, existing archaic hominid populations such as the Neanderthals. This model suggests that living humans are descended from an African population that lived about thousand yeats ago Kyr see Box for a brief descriptionof the key issues and recent developments.

Archaeology has played a significant, if less central, role in this debate, and the archaeological record has been used as empirical support for both the MM or the SOM.

Online Journal for E&P Geoscientists

Special Examinations shall be graded as Ordinary Examinations. A candidate who, whether by Ordinary or Special Examination or after repeating the year of study, passes in SEVEN to NINE units in the 1st or 2nd or 3rd year of study including exempted units shall, on the recommendation of the School Board of Examiners and approval by Senate, be allowed to proceed conditionally to the subsequent year of study, but shall be required to resit the end-of-semester examinations in the failed units.

For each such unit the candidate shall resit the examination only a maximum of TWO times during any appropriate end-of-semester examinations by the end of the 4th year of study.

The ark itself is a type of Christ and the biblical floodwaters represent both the cleansing from sin and, in the waters of baptism, the dying of the old self and the raising to new life I Pet.

Godthelp in Hill, Robert S. White, , The Nature of Hidden Worlds: Australian Conservation Foundation, Melbourne. Michael Archer, Suzanne J. Gehling, Kathleen Grey, Guy M. Franklin, The revolution that didn’t arrive:

Jesus’ Birth and when Herod the Great *Really* Died

The Paleogeographic Method The study of paleogeography has two principle goals. The first goal is to map the past positions of the continents. The second goal is to illustrate the changing distribution of mountains, lowlands, shallow seas, and deep ocean basins through time. Mapping the Past Positions of the Continents The past positions of the continents can be determined using the following five lines of evidence:

Implications for the Chicxulub impact angle, Meteoritics and Planetary Science, v.

For the histories of these latter two countries since their creation, see Pakistan and Bangladesh. Since early times the Indian subcontinent appears to have provided an attractive habitat for human occupation. Toward the south it is effectively sheltered by wide expanses of ocean, which tended to isolate it culturally in ancient times, while to the north it is protected by the massive ranges of the Himalayas , which also sheltered it from the Arctic winds and the air currents of Central Asia.

Only in the northwest and northeast is there easier access by land, and it was through those two sectors that most of the early contacts with the outside world took place. Within the framework of hills and mountains represented by the Indo-Iranian borderlands on the west, the Indo-Myanmar borderlands in the east, and the Himalayas to the north, the subcontinent may in broadest terms be divided into two major divisions: The expansive alluvial plain of the river basins provided the environment and focus for the rise of two great phases of city life: To the south of this zone, and separating it from the peninsula proper, is a belt of hills and forests, running generally from west to east and to this day largely inhabited by tribal people.

This belt has played mainly a negative role throughout Indian history in that it remained relatively thinly populated and did not form the focal point of any of the principal regional cultural developments of South Asia. However, it is traversed by various routes linking the more-attractive areas north and south of it. The Narmada Narbada River flows through this belt toward the west, mostly along the Vindhya Range , which has long been regarded as the symbolic boundary between northern and southern India.

The northern parts of India represent a series of contrasting regions, each with its own distinctive cultural history and its own distinctive population. In the northwest the valleys of the Baluchistan uplands now largely in Balochistan , Pak.

Geopolymer

This table does not show any experimental uncertainties associated with any of the data points. This is the manner in which Barnes presents the data, and nowhere in his book is the subject of experimental uncertainty mentioned at all. From these data Barnes has determined that the Earth’s magnetic field is decaying exponentially. Throughout his book, whenever he mentions this exponential decay, he points the reader to section II-D, page 36 to view the justification.

On that page of his book, he justifies the exponential decay conclusion as follows, the emphasis is mine. B0, as referred to by Barnes, is the equatorial magnetic field strength, which is included in his tables, but omitted from mine.

Furthermore, it is probable that Neanderthals buried their dead and, in the laters stages at least, worked bone Arcy-sur-Cure:

Image courtesy of Gary L. Kinsland – from Kinsland et al. Age of the chicxulub impact and mass extinction, brazos river, texas, USA. Paper presented at the , 43 5 Evidence for the Chicxulub impact, Geology, v. Geological Society of America Special Paper , pp. Implications of experimental and field studies for the Cretaceous-Paleogene boundary acid rain trauma, Palaios, v.

Opportunities in Mature Areas, v.

The sun, moon, and stars 2. The fish and the birds 3. The fertile earth 6. The land animals and humans 7.

Naw, I think there was a historical figure that corresponds to the Jesus figure in the Gospels.

Potential of abundant, environmentally harmless energy technology , which already exists My strategy for manifesting that energy event for humanity’s and the planet’s benefit. I w as born in In that same year, I had my cultural and mystical awakenings. During my second year of college, I had my first existential crisis and a paranormal event changed my studies from science to business. I s till held my energy dreams, however, and in , eight years after that first paranormal event, I had a second one that suddenly caused me to move up the coast from Los Angeles to Seattle, where I landed in the middle of what is arguably the greatest attempt yet made to bring alternative energy to the American marketplace.

That effort was killed by the local electric industry , which saw our technology as a threat to its revenues and profits, and my wild ride began. The owner of the Seattle business left the state to rebuild his effort. I followed him to Boston and soon became his partner. M y partner’s experiences in Seattle radicalized him.

In northeastern Asia, the absence of absolute dates and the non-primary context of many sites precludes the establishment of spatio-temporal patterns.

Even without a plot, just by looking at the data tabulated above, the reader should be able to see that the moment values since appear essentially flat around a value of about 8.

How Is Paleomagnetism Used To Support The Theory Of Plate Tectonics?