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#5731 |
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As to Alzheimer’s there are some questions that still puzzle me. It is easy to see that over a long life you could pickup infinitesimally small amounts on Beryllium and when you are sixty or eighty the result would be Alzheimer’s
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#5732 |
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But there is a problem and that is that children who have mongolism develop Alzheimer’s at forty. However there are indications that Beryllium exposure can alter or cause chromosone damage. (See XXXXXXX)
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#5733 |
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So I am wrong right? Well if Alzheimer’s were simply genetic then the amount of Aluminum in the water supply would not indicate increased risk for the disease, but it does. Oh well, maybe exposure to Beryllium Hydroxide has some sort of relationship with mongolism?
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#5734 |
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*1. Unfortunately a major source for this of this paragraph is that chemstry book that I borrowed from the Hyannis Public Library in the 1980s.
I was browsing the library the way we today use the internet. I came accross a chemistry book on the elements. It appearred to be a worn textbook maybe from the 1950s . I took it home and read it cover to cover. I wish in this age of google that I could remember the name of the book. Back to the subject, one of the things that struck me was the author's lament over the adoption of the periodic table of elements. This seemed highly unlikely opinion for a chemistry teacher. The author went on to say that because of the brillance and ease of use of the periodic table that modern science or at least students and their professors were forgetting many valuable and hard gained charactoristics of the elements. He went on to illustrate with the case of Alluminum and Beryllium that I mentioned in this mongraph. |
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#5735 |
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BEEN STANDIN AROUND SUCKIN ON MY BIG OL`CHILI DOG
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#5736 | |
don't tell me about collage
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Quote:
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#5737 |
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This thread has lost it's burst.
Nice try Simplex ![]() |
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#5738 |
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BEEN STANDIN AROUND SUCKIN ON MY BIG OL`CHILI DOG
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#5739 |
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My current research focuses on the minerals of boron and beryllium and the role of these two elements in the changes rocks undergo at high temperatures and pressures in the earth's crust, especially in the granulite facies.
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#5740 |
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More recently, I have developed an interest in phosphate minerals, having discovered three new species in the Larsemann Hills, Prydz Bay , Antarctica . Following the tradition of the late Charles Guidotti, formerly a professor in our department, I describe my research as “petrologic mineralogy” because I study minerals in their petrologic context. Work with light elements requires special techniques so an integral component of my research is analysis for Li, Be and B in minerals with the ion microprobe (secondary ion mass spectrometry). I do these analyses in collaboration with Charles Shearer at the University of New Mexico in Albuquerque . My current research activity includes:
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#5741 |
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Beryllium minerals in sapphirine-quartz granulites and anatectic pods of the ultrahigh-temperature granulite-facies Archean Napier Complex of Enderby Land, Antarctica, based on fieldwork carried out on the 40th Japanese Antarctic Research Expedition (November, 1998-March, 1999) and on two Australian Antarctic Research Expeditions between 1977 and 1980.
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#5742 |
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With up to 2700 parts per million weight beryllium, sapphirine is the main carrier of this element in the granulites,
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#5743 |
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whereas the pods contain a variety of beryllium minerals: the new species khmaralite related to sapphirine, the oxide “musgravite” (technically now magnesiotaaffeite-6N’3S), and the silicate surinamite, which formed from breakdown of sapphirine – khmaralite solid solutions (photographs).
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#5744 |
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Borosilicate minerals in granulite-facies rocks. My current National Science Foundation supported project is a study of boron-rich paragneisses in the Larsemann Hills based on samples collected on the Australian National Antarctic Research Expedition in 2003-2004 with Chris Carson (Geosciences Australia). The ferromagnesian borosilicates grandidierite and prismatine are major rock-forming minerals in these paragneisses (photograph). Geochemical data on over 50 samples suggests affinities with Broken Hill , Australia , a famous ore deposit. The Larsemann Hills is the type locality for boralsilite, a mineral related to sillimanite I discovered in 1998, which Chris and I found at several localities during the 2003-2004 season (photograph).
Phosphate minerals in granulite-facies metamorphic rocks and and anatectic pods. The Larsemann Hills contains a remarkable variety of phosphate minerals for a metamorphic complex (9 species so far), including 3 of the 4 known polytypes of iron magnesium fluorphosphate wagnerite and 3 new species. |
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#5745 |
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Barbier, J, Grew, E.S., Moore, P.B., Su, S.-C. (1999) Khmaralite, a new beryllium-bearing mineral related to sapphirine: A superstructure resulting from partial ordering of Be, Al and Si on tetrahedral sites. Am. Mineral., 84, 1650-1660
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