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10 years ago
Xebec
Mr. Hatcher wrote: >Unfortunately, for the carbon dating of about 2000 BP >for Tiwanaku only shows that that the ruins were there >2000 years ago for some wandering tribe to have a >campfire in ruins. This is not correct. There are extensive and distinct layers of cultural deposits, including pottery, which has been dated by radiocarbon at Tiwanaku and at many adjacent sites, th
Forum: Author of the Month
10 years ago
Xebec
David wrote: > Sounds like large slabs to me. Sounds like these sources have very creative imaginations. :-) :-) I and some others have looked into the claims about mica found at Teotihuacan. Detail discussion of the mica found at Teotihuacancan be found in: 1. Armillas, Pedro, 1944, Exploraciones Recientes en Teotihuacan, Mexico, Cuadernos Americanos. vol. 16, no. 44, pp. 121-136; 2. L
Forum: Author of the Month
10 years ago
Xebec
David Campbell wrote: > Exactly. I'm down with that, except, didn't Heinrich say the > Bosnian bedrock was a Miocene lacustrine deposition? That would > make the spheres a little late as anthroposaurus sapiens > artifacts of the Cretaceous Kingdoms, would it not? Or do I > have it all wrong? Should we scrap anthroposaurus and go for > the Carlos Ribeiro Miocene Man option? Dear
Forum: Author of the Month
10 years ago
Xebec
dmatherly wrote: >Lots of interesting finds down your Texas way the last few years. Yes there is some weird stuff down in Texas. For example, there is the Childress Creek Mystery Circles as discussed at . You can even see one of them amazingly well using Google Earth at; 31 degrees, 43 minutes, 15.18 second N 97 degrees, 22 minutes, 47.85 seconds W I have yet to anyone who can provide a
Forum: Author of the Month
10 years ago
Xebec
Hatcher wrote: >I am planning to write an article on them for my magazine, >World Explorer, at www.wexclub.com, about the many round >stones around the world, and need as much information as >I can get. It is hard to find! I'll have to conjecture later on >their purpose in another post. Does anyone know of any >large stone balls that were found in Egypt. You might want to
Forum: Author of the Month
10 years ago
Xebec
michael seabrook wrote: >Bosnian writer Ahmed Bosnic has recently returned >from the Valley of River Bosna (Bosnia) where he >visited the village of Ozimici and found a significant >concentration of the stone balls found across Bosnia. >He was in the company Dr Aly Abd Baraka, Egyptian >geologist (Egyptian Mineral Resources Authority.), >who confirmed that the balls we
Forum: Author of the Month
9 years ago
Xebec
Dear Friends, A paper has recently been published that discusses the specific evidence needed for a person to make a convincing case for a circular feature that either he or she has found being an extraterrestrial impact structure. It is: French, B. M., and Koeberl, C., 2010, The convincing identification of terrestrial meteorite impact structures: What works, what doesn't, and why. Earth-Sci
Forum: Science & Space
9 years ago
Xebec
Feralkiwi wrote: "The impact I use is the one described in Otto Mucks book Secretes of Atlantis. He places it in the Atlantic ridge with "splatter" in Charleston USA." Unfortunately, the alleged craters of Otto Muck suffer from the same problems that Andres’ hypothesized craters. First, the circular features, which Muck identified as "impact craters" are nothing
Forum: Science & Space
9 years ago
Xebec
andre.chaisson wrote: > The only one of note who has gotten back to me saying my theory >is interesting is Dr. Allan West, retired archaelogist that > studied the clovis remains for the later part of his career, > and like he has mentionsed, and I agree, that without core > samples in the area it will remain a theory. Unfortunatly > neither him nor I have the finances to mount
Forum: Science & Space
9 years ago
Xebec
andre.chaisson wrote: "Not long after my search began did I find the site I was looking for. However to my surprise I found 2 distinct overlapping circular features that look exactly like typical large impact craters. The larger of the 2 measures a whopping 500km in diameter and the lesser a respectable 250km in diameter. If validated it they would become the largest and 3rd largest
Forum: Science & Space
10 years ago
Xebec
Another URL for this assignment is at: [74.125.155.132] Yours, David
Forum: Science & Space
10 years ago
Xebec
Dear Friends, While mindless grazing through the Internet using Google Earth to see what is being written about various topics, I came across an actual class assignment for a college-level geology course about Crustal Displacement Theory. The specific assignment is "Geology 111 and 111A Assignment - Crustal Displacement Theory" at: Yours, David
Forum: Science & Space
10 years ago
Xebec
Ahatmose wrote: "In this diagram ... ... they show Alaska as uncovered by ice at any time during the Ice Age. Could this be because ... .... it was under water at this time ?" No it was not under water. One problem is that this diagram completely omits a significant ice cap that covered the Brooks Range at the same time as the combined Laurentide-Cordilleran covered the rest of Nor
Forum: Science & Space
10 years ago
Xebec
Life's Ancient Island in the Ice by Aaron L. Gronstal physorg.com/, October 29, 2009 Klondike Holds Clues to Ancient Environment by Aaron L. Gronstal, Astrobiology Magazine The paper discussed in teh above articles is Froese, D. G., G. D. Zazula, J. A. Westgate, S. J. Preece, P. T. Sanborn, A. V. Reyes, and N. J. G. Pearce, 2009, The Klondike goldfields and Pleistocene environments of Be
Forum: Science & Space
10 years ago
Xebec
Loess in Europe—its spatial distribution based on a European Loess Map, scale 1:2,500,000 Distribution of fertile soil updated for the first time in decades Leipzig. A new map showing the distribution of loess sediments in Europe has been published for the first time in 75 years, in digital format. With this map, Dagmar Haase, a geographer at the Helmholtz Centre for Environmental Research
Forum: Science & Space
10 years ago
Xebec
A critical review the reliability of different criteria used to identify extraterrestrial impact structures has just been published as : French, B. M., and Koeberl, C., in press, The convincing identification of terrestrial meteorite impact structures: What works, what doesn't, and why. Earth-Science Reviews, Article in Press doi:10.1016/j.earscirev.2009.10.009 "A wide variety of shock
Forum: Science & Space
10 years ago
Xebec
Variability of sea-ice conditions in the Fram Strait over the past 30,000 years or PDf file at The paper is: Müller, J., G. Massé, R. Stein, and S. T. Belt, 2009, Variability of sea-ice conditions in the Fram Strait over the past 30,000 years. Nature Geoscience. vol. 2, pp. 772-776 doi:10.1038/ngeo665 "Sea ice is a critical component of the climate and oceanographic system in the N
Forum: Science & Space
10 years ago
Xebec
Current Journal of Marine Education, Special Issue on Ocean Acidification, Volume 25, Number 1, 2009 PDF file at Yours, David
Forum: Science & Space
10 years ago
Xebec
Dera Friends, PDF files of new papers about the Quaternary / Pleistocene paleoclimate of Siberia have become available online for free. they include: Schirrmeister, L., Kunitsky, V. V., Grosse, G., Kuznetsova, T. V., Derevyagin, A. Yu., Wetterich, S., Siegert, C., 2008, The Yedoma Suite of the Northeastern Siberian Shelf Region – Characteristics and Concept of Formation, In: Kane, D.L. and Hi
Forum: Science & Space
10 years ago
Xebec
Dear Friends, Some online papers about the geology and plaeoclimatology of Antarctic can be found in "Antarctica: A Keystone in a Changing World" (2008) at: The chapters include: 1. "100 Million Years of Antarctic Climate Evolution: Evidence from Fossil Plants" and 2. "Landscape Evolution of Antarctica" Yours, David
Forum: Science & Space
10 years ago
Xebec
In the latest issue of the Proceeding of the National Academy of Science (PNAS), a paper disputed the validity and existence of the evidence used to argue for a terminal Pleistocene impact having occurred around 12,900 BP. A team of archaeologists, paleopedologists, and Quaternary geologists conducted a detailed and independent analysis of seven sites, which including two examined and published
Forum: Science & Space
10 years ago
Xebec
Dear Friends, A very spectacular buried cypress forest has been found in a coal strip mine in Hungary. Paper describing it are: Erdeia, B., M. Dolezychb, L. Hablya, 2009, The buried Miocene forest at Bukkabrany, Hungary. Review of Palaeobotany and Palynology. vol. 155, pp. 69-79. Abstract at: PDf file at: Kazmer, M., 2008, The Miocene Bukkabrany Fossil Forest in Hungary, field observat
Forum: Science & Space
10 years ago
Xebec
Dear friends, Found the below links to papers and PDF files on the Meteorite Mailing list, while conducting a Google search. "Maloof, A. C., S. T. Stewart, B. P. Weiss, S. A. Soule, N. L. Swanson-Hysell, K. L. Louzada, I. Garrick-Bethell, and P. M. Poussart. Geology of Lonar Crater, India Geological Society of America Bulletin. Published Online September 25, 2009, doi:10.1130/B26474.
Forum: Science & Space
10 years ago
Xebec
Diomede wrote: > Are you also talking "Worzel ash" etc? There is now overwhelming data and evidence from deep sea cores that the so-called “Worzel Ash” is neither one bed nor event. Instead, it consists of a number of ash beds of widely differing ages and volcanic sources that were mistakenly inferred to be a single ash bed because of the poor quality of seismic data from which ear
Forum: Science & Space
10 years ago
Xebec
Crashing Comets Not Likely The Cause Of Earth's Mass Extinctions, Science Daily, July 31, 2009 "ScienceDaily (July 31, 2009) — Scientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65 million years ago brought an end to the age of dinosaurs, but there is uncertain
Forum: Science & Space
10 years ago
Xebec
The times, they are sure a-changing fast By Bert Raynes, Jackson Hole, Wyo., Dawning of the age of the Anthropocene by Andrew Leonard’ Welcome to the 'Anthropocene' by Lauren Monaghan Cosmos Online Scientists call for new Epoch by Leigh Dayton The Australian Scarred Earth to enter the 'Anthopocene Epoch' By Charles Clover, The telegraph Zalasiewicz, J., Mark Williams, Alan Smith,
Forum: Science & Space
10 years ago
Xebec
Dear Friends, A new paper that summarizes what has been learned about the Alaskan muck over the last couple of decades is now available online as a free PDF file. The paper is: Froese, D. G. G. D. Zazula, J. A. Westgate, S. J. Preece, P. T. Sanborn, A. V. Reyes, and N. J. G. Pearce, 2009, The Klondike goldfields and Pleistocene environments of Beringia. GSA Today, vol. 19, no. 8, pp, 4-8.
Forum: Science & Space
10 years ago
Xebec
Ancient Creatures Survived Arctic Winters By Andrea Thompson High Arctic Mammals Wintered In Darkness 53 Million Years Ago, Science Daily Eberle, J., H. Fricke, and J. Humphrey, 2009, Lower-latitude mammals as year-round residents in Eocene Arctic forests Geology vol. 37, no. 6, pp. 499-502, doi:10.1130/G25633A.1 A ‘Deep Time’ global warming laboratory in the Canadian High Arctic by Jaely
Forum: Science & Space
10 years ago
Xebec
Bourke, M.C. and H.A. Viles, Eds. (2007) A Photographic Atlas of Rock Breakdown Features in Geomorphic Environments, Planetary Science Institute, Tucson. Description of Bourke and Vile (2007) at: Link to Bourke and Vile (2007) PDF file at: 15 MB PDF file of Bourke and Vile (2007) at; Yours, David
Forum: Science & Space
10 years ago
Xebec
Featured images for July 2009: Ventifacts on Earth and Mars Definition and Significance of Ventifacts Yours, David
Forum: Science & Space
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