[meteorite-list] Grand Opening of UCLA Meteorite Gallery
From: Ed Deckert <edeckert_at_meteoritecentral.com>
Date: Thu, 9 Jan 2014 17:14:16 -0500 Message-ID: <D9FBE908A1BC49179B8311FB4F2F0E70_at_MAINPC> This is wonderful news! Hopefully one day I will get to travel out to LA again and see this display. Congratulations to Alan Rubin, and all who were involved with this major project!!! Ed Deckert ----- Original Message ----- From: "Alan Rubin" <aerubin at ucla.edu> To: <meteorite-list at meteoritecentral.com> Sent: Thursday, January 09, 2014 12:46 PM Subject: [meteorite-list] Grand Opening of UCLA Meteorite Gallery >I would like everyone to know that tomorrow afternoon, Friday Jan. 10, is >the formal grand opening of the UCLA Meteorite Gallery, located on the >third floor of the Geology Building on the UCLA Campus. The Museum will be >open weekdays from 9:00 A.M to 4:00 P.M. and the occasional weekend >afternoon. (Hours will be posted on our website: >www.meteorites.ucla.edu ) The gallery is free to the public. I invite >any meteorite enthusiasts visiting Southern California to come by sometime >for a visit. > The press release is appended below. > Alan > > Space rocks hit UCLA: California's largest meteorite museum opens on > campus > > > > (Note to editors and reporters: To attend the invitation-only grand > opening of the UCLA Meteorite Gallery on Friday, Jan. 10, at 4 p.m., > please contact Stuart Wolpert at swolpert at support.ucla.edu or > 310-206-0511.) > > > > California's largest collection of meteorites, and the fifth-largest > collection in the nation, is on display in the new UCLA Meteorite Gallery, > which is free to the public. The museum, located in UCLA's Geology > Building (Room 3697) is open weekdays from 9 a.m. to 4 p.m. and on some > weekend afternoons; please visit the gallery's website, > www.meteorites.ucla.edu, for details. > > > > A centerpiece of the museum is a 357-pound iron chunk of an asteroid that > crashed into Arizona some 50,000 years ago, creating a mile-wide crater > just east of Flagstaff. Visitors are allowed to touch the venerable > object, which like most other meteorites and like the Earth itself is 4.5 > billion years old, said John Wasson, the gallery's curator and a UCLA > professor of geochemistry and chemistry. > > > > Meteorites are rocks ejected from asteroids, comets, planets or the moon > that have traveled through interplanetary space and landed on the Earth's > surface. The vast majority come from asteroids. > > > > "Our goal is to make this gallery the world's best scientifically oriented > meteorite museum," Wasson said. "Our collection is by far the largest in > California and is a gift to the people of Southern California. The > opportunity to learn in scientific detail about meteorites has not been > available in California before." > > > > The collection houses specimens of nearly 1,500 meteorites that illustrate > the scientific processes that were active in the early solar system. About > 100 of these - representing a wide variety of meteorite types - are > currently on display. > > > > These include chondrites, which contain large numbers of tiny rocky > spherules known as "chondrules." The origin of chondrules remains very > much a mystery, Wasson said. It appears they were created from clumps of > dust in the solar nebula - the gas and dust cloud that existed before > planets and asteroids formed - and were "zapped" in a way that is still > unknown. The gallery's images of primitive chondritic meteorites taken > with a scanning electron microscope offer detailed views of chondrules. > > > > The museum also features backlit samples of a class of beautiful > meteorites called pallasites, which contain silicate minerals mixed with > metal. These specimens formed at the "interface between the metallic core > and the silicate mantle" of an asteroid, Wasson said. > > > > "We have no sample of the core of any of the planets or even a major moon, > but many of the iron meteorites are samples of an asteroid's core, and > they differ from one another," Wasson said. > > > > Wasson, a member of UCLA's faculty since 1964, has devoted his scientific > career to studying meteorites. > > > > "Meteorites are fragments that were, in part, the building blocks of the > planets," he said. "Many of these are the first rocks that formed anywhere > in the solar system. They have information about the earliest history of > the solar system that we cannot learn from the Earth itself." > > > > One of the gallery's exhibits explains how to correctly identify > meteorites. Detailed explanations of the samples are provided in display > cases and brochures. > > > > Alan Rubin, the associate curator of the gallery and a researcher in > UCLA's Department of Earth, Planetary and Space Sciences, is an expert in > identifying meteorites. He receives samples every few days from people who > believe they have found meteorites. > > > > "They almost never are real meteorites," he said, adding that "less than 1 > percent" actually come from beyond the Earth. Some of these objects > mistaken for meteorites - including ordinary rocks, petrified wood and > metal slag - are on display in an exhibit aptly titled "meteorwrongs." > > > > "For many years, we've collected beautiful exhibit specimens of meteorites > but kept them locked in inaccessible cabinets," Rubin said. "It's great to > be able to put them out on display for people to see." > > > > UCLA's collection of meteorites has grown to nearly 3,000 specimens under > the stewardship of Wasson and Rubin, and is among the most extensive in > the world. > > > > The UCLA Meteorite Gallery's grand opening will be held at 4 p.m. on Jan. > 10 and is invitation-only. The event will honor Arlene and Ted Schlazer, > who donated more than 60 exhibit-worthy meteorites to UCLA, as well as a > bequest for an endowed chair (the first in the UCLA Department of Earth, > Planetary and Space Sciences) in cosmo-chemistry and meteorite research. > UCLA Chancellor Gene Block is scheduled to speak at the opening. > > > > The Meteorite Gallery is supported by UCLA's Department of Earth, > Planetary and Space Sciences and Institute for Planets and Exoplanets. > > > > UCLA is California's largest university, with an enrollment of more than > 40,000 undergraduate and graduate students. The UCLA College of Letters > and Science and the university's 11 professional schools feature renowned > faculty and offer 337 degree programs and majors. UCLA is a national and > international leader in the breadth and quality of its academic, research, > health care, cultural, continuing education and athletic programs. Seven > alumni and six faculty have been awarded the Nobel Prize. > > > > For more news, visit the UCLA Newsroom and follow us on Twitter. > > > > Alan Rubin > Institute of Geophysics and Planetary Physics > University of California > 3845 Slichter Hall > 603 Charles Young Dr. E > Los Angeles, CA 90095-1567 > phone: 310-825-3202 > e-mail: aerubin at ucla.edu > website: http://cosmochemists.igpp.ucla.edu/Rubin.html > > > ----- Original Message ----- > From: "Alan Rubin" <aerubin at ucla.edu> > To: "Jim Wooddell" <jim.wooddell at suddenlink.net>; > <meteorite-list at meteoritecentral.com> > Sent: Monday, January 06, 2014 9:30 AM > Subject: Re: [meteorite-list] What is more important in classification? > > >>I always want a doubly-polished thin section to do classification of stony >>meteorites. To determine the petrologic type of a chondrite, it is useful >>to gauge the degree of recrystallization (best done in transmitted light) >>and look for the size of plagioclase grains (which can be done in an SEM, >>BSE mode of an electron microprobe, and in reflected light, since >>plagioclase is a darker gray than olivine or pyroxene). To assess the >>degree of weathering, reflected light is most useful. The probe, of >>course, will give you the olivine, pyroxene, plagioclase, kamacite, etc. >>compositions. But in general, in order to get a feel for a stony >>meteorite (in terms of shock, brecciation, recrystallization, abundance of >>matrix material, etc.), I want to be able to use the probe and see the >>rock in transmitted and reflected light. I can also then probe >>interesting features that reveal themselves with the petrographic >>microscope. I don't worry so much about the fuzzy line between >>classification and research. >> Alan >> >> >> Alan Rubin >> Institute of Geophysics and Planetary Physics >> University of California >> 3845 Slichter Hall >> 603 Charles Young Dr. E >> Los Angeles, CA 90095-1567 >> phone: 310-825-3202 >> e-mail: aerubin at ucla.edu >> website: http://cosmochemists.igpp.ucla.edu/Rubin.html >> >> >> ----- Original Message ----- >> From: "Jim Wooddell" <jim.wooddell at suddenlink.net> >> To: <meteorite-list at meteoritecentral.com> >> Sent: Monday, January 06, 2014 7:57 AM >> Subject: [meteorite-list] What is more important in classification? >> >> >>> Hi all! >>> >>> Just a few general questions... >>> >>> The involves a mount and a thin section. >>> >>> What is more important now-a-days in classification? This mainly >>> revolves some questions I have that I am >>> not sure how to ask...mainly to those that classify. >>> >>> If you have a million dollar Scanning Election Microscope and can probe >>> around and >>> can determine classification from the geochem and BSE images, how >>> important is it to see the transmitted and reflected features in a >>> petrographic microscope? >>> >>> I suppose my thoughts and questions are possibly in reference to new >>> technology vs. old >>> technology....maybe not...but close and really deeper than just yes and >>> no answers. Not that SEM's are new technology...just saying. >>> >>> I was told a while back you can not classify without both. So Why??? >>> Are the SEM's not capable of doing what >>> a petrographic microscope can do? >>> >>> Thanks! >>> >>> Jim >>> >>> >>> >>> >>> -- >>> Jim Wooddell >>> jim.wooddell at suddenlink.net >>> http://pages.suddenlink.net/chondrule/ >>> >>> ______________________________________________ >>> >>> Visit the Archives at http://www.meteorite-list-archives.com >>> Meteorite-list mailing list >>> Meteorite-list at meteoritecentral.com >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >> ______________________________________________ >> >> Visit the Archives at http://www.meteorite-list-archives.com >> Meteorite-list mailing list >> Meteorite-list at meteoritecentral.com >> http://six.pairlist.net/mailman/listinfo/meteorite-list > > ______________________________________________ > > Visit the Archives at http://www.meteorite-list-archives.com > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Thu 09 Jan 2014 05:14:16 PM PST |
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