[meteorite-list] Apex - Colorado - possible MB correction
From: Walter L. Newton <newtonw2_at_meteoritecentral.com>
Date: Sat Jul 1 15:54:03 2006 Message-ID: <000b01c69d48$0f7d3db0$6ad70818_at_walter> I just received a email from Jeff Grossman at the MB database. He questioned my research on the correct find spot for the Apex Colorado find. I will not post his reply here, but I will post MY rely back to him -------------------------------------------------------------------------- Jeff I contacted Logan Ivy at the museum last week. He confirmed that the research at the Magic Mountain site was done by Robert Akerley, in 1938, and he found the meteorite and gave it to the museum. Further confirmation for the actual location of the Magic Mountain site itself can be found in William "Bill" Butler's dissertation on Magic Mountain published in the 1980s. Considering the following confirmed facts... 1) Robert Akerley dug at the Magic Mountain Plains Indian encampment. 2) The encampment was at the mouth of the Apex Gulch. 3) Robert Akerley found a 6.1 gram meteorite. 4) The meteorite exists in the collection of the Denver Museum of Nature and Science 5) The meteorite was officially classified 6) The actual location of the Magic Mountain site is well know and can be confirmed by a college dissertation. 7) The mesa top location of the coordinates in the MB database does not match any of the other facts. In Matthew L. Morgan's booklet "The Handbook of Colorado Meteorites," published by the Colorado Geological Survey, he uses the coordinates from the MB database but his text descriptions reads as follows... "Stone. Olivine-hypersthene chondrite (L6). A small single stone was found at the mouth of Apex Gulch, near the Heritage Village shopping center, 3.2 km south of Golden." I would say using the center of the existing Apex Park site would be a whole lot closer than a barren mesa top which has no relation to the other facts. I'm not sure what facts would be missing here? As far as the origin of the coordinates themselves, Mr. Ivy said... "Google Earth probably uses WGS84 as a datum, but the map coordinates were probably derived from a USGS topo sheet, which will use the NAD27 datum. Try using Topozone.com. Logan Ivy" Not matter where the original coordinates came from, they appear wrong. And since we have narrative that describes the find site, and the current state of the site still matches the narrative, I suspect that the narrative correctly locates the find spot. If you have any other questions, please email me. Thank you. Walter L. Newton ---------------------------------------------------------------------------- Maybe I am missing something here. His reply to me seemed to be strangely dismissive. Do these folks get their feathers easily ruffled if you question some of their facts and figures? I was just trying to be helpful, not harmful. Walter L. Newton Golden, Co. Received on Sat 01 Jul 2006 03:53:44 PM PDT |
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