Paleo Club meeting on Friday Sept. 3, 2010 at 4 P.M. in Paleontology Research Center (PRL) 153. At 3 pm before the meeting is a thank-you and welcome back party in the same location.
Hope to see you soon!
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At 3 pm before the meeting is a thank-you and welcome back party in the same location. Hope to see you soon! Yesterday in what can only be called a Herculean effort we, the summer crew at the Museum of Geology cleared the floor of the old gym of fossils we had been staging there. in 8 short hours we toted 52 pallets of fossil and mineral specimens along with 14 cases to be used in the new building. Many thanks to Lowell from facilities who’s proficiency with a forklift made the job possible. Out of the old, into the new. The collections move into our brand-new state of the art facility just up the hill. The official ribbon cutting is scheduled for Sept. 1 at 10:00 AM. With a special party for paleo club members and Museum staff on the 3rd. Hope to see you there! Well, the summer has gone incredibly fast. The program is over, everyone has headed home, and most of the participants are sending out abstracts. Katie (my research partner) and I are planning to submit our abstract to GSA in Denver and present our poster. What’s interesting is that our final product is not related to most of the rest of the summer’s work. We used the spectrofluorophotometer to analyze pH buffers (used for instrument calibration) for fluorescence. One of the lab’s clients asked about the fluorescent characteristics of the dyes used to color the buffers for ease of identification. We found a couple of instances where the dyes in the buffers share fluorescent characteristics with common tracers. While the concentrations were not high enough to make a false positive field test likely, there is a potential for dye receptors to be contaminated, especially in situations where all of the tracing equipment is kept close. The lab is fortunate to have lots of space at its disposal, so the potential for contamination is reduced, but smaller labs would benefit from revising their protocol to ensure that none of their supplies come into contact with one another. The equipment is very sensitive, able to detect dyes in quantities of 0.01μg/L. A reading of ten times the established ‘background’ level for a dye indicates a positive test, and results must be repeated for an overall positive. The reason this is significant is that many hydrology labs are contracted by industry. If a company needs a trace done to be sure that their waste disposal doesn’t contaminate a local water supply, a false positive conclusion could cost the company millions of dollars to find a town a new water supply. Lab results also have to hold up in court cases. I’m told hydrologists are passionate about their dye tracing. I can’t say for sure, as I’m not a hydrologist, but this was a pretty spectacular summer. I learned a lot about the geology of the area, speleology, and lab equipment that I never knew existed. I am looking forward to learning more! Props to the National Science Foundation, Western Kentucky University, and the Hoffman Environmental Research Institute for funding and supporting the REU program. Everyone enjoy the rest of your summer! Well, my diligence in reporting has taken a serious hit as the summer progresses. Obviously. Fortunately (at least for purposes of writing about it) Weeks 3 and 4 yielded nothing to report. Weeks 5 and 6, however, have been much more interesting. During Week 5, the week of 28 June, we (my undergrad research buddy Katie and I) did some instrument and lab The field instruments we used were just small meters for pH and CO2. The Hoffman Environmental Later that week, Katie and I, along with speleologists Pat and Jason, went back to Crumps to do some mapping. The cave is very large and pretty straightforward (at least the part we’re concerned with for the moment). We set up a station every 10 feet approximately down the center of the tunnel. Using Disto laser measures, we shot the distance (from eye level) to the ceiling and floor, each of the walls horizontally, and at the points of contact between the walls and ceiling/floor. We also used a compass for orientation and a clinometer to measure the angle of each shot. Back in the lab, we put our information into cave-mapping software and are creating a 3D model of the cave. This is temporarily on hold as staff and grad students scatter for conferences and mapping in other caves. This week (beginning 5 July), we have been out to the cave twice and worked with a new field fluorometer. Our first cave day ended in no success. The meter would not cooperate, so we decided to just take a sample and gather information back in the lab. However, we ended up with the wrong key, so no samples either. (I thought it was funny; my grad student supervisor did not. Until later.) Our next attempt was much more successful, although the gate system at Crumps is practically impossible even with the correct key. À la Boondock Saints, you really do always need rope! Today, we calibrated the field fluorometer, affectionately known as the Schneggometer after its designer. Easier said than done, really. We calibrated it for dye tracers uranine and rhodamine, but were still having troubles with tinopal (an optical brightener) and turbidity after six hours, so we thought it best to save those for next week. So on the table for next week is finishing calibrating the Schneggometer, learning how to use the spectrofluorophotometer, and a presentation to the other REU members and professors. It’s a lot of fun and I am definitely learning a lot! I should be able to add some pictures to next week’s report, so be patient with me. I hope everyone is having a great summer! This weekend, our research group went on a little private cave tour to parts of the cave that are no longer open to the public through some early 1900s trails and tubes. We started in a food service elevator– one of the cave tours includes an underground dinner. Descending about 100 feet into a manmade shaft, we emerged in the Snowball Room, a cave so called because of the gypsum blossoms covering the ceiling and walls. Dr. Groves (my research advisor) led us for a while down a tourist path. From there, it was the usual scuffling and sliding, punctuated by our wade through a subterranean creek and a couple crawls through unmarked tunnels. It was very exciting and a lot of fun, but caving is better done than retold (I highly recommend it!). Unfortunately, the vast majority of my pictures didn’t turn out, as caves have a tendency to be dark. Even more unfortunately, I haven’t been able to actually start my project yet, as the university lost a LOT of field equipment (data loggers, etc) to the flooding a few weeks ago in the area. Hopefully at the end of this week, I’ll be starting some lab work, mixing up dye tracers and things of that nature. I did learn that at least part of my work will be at a university-owned test cave near Bowling Green, which is useful because it allows researchers to study karst environments and the effects of land use without damaging the Mammoth Cave System (or filling out paperwork that would come with testing at the park). In the meantime, I’m becoming well-studied in cave geology, and I’m looking forward to finding at least a little bit of trouble to get into! |
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