Some of Bonnie's Favorite Rock Hound Links

INFORMATIONAL SITES AND COLLECTING AND VIRTUAL ROCKHOUNDING

Virtual Silurian Reef at Racine Wisconsin
Geological Society of America
Bob's Rock Shop
Rockhounds Information Page
Carlsbad Caverns
PUBLIC ROCK SOURCE WEBSITE
GEMOLOGY STUFF WEBSITE
Sals Mineral Collecting Page
DINO RUSS'S LAIR
THE GEMOLOGY AND LAPIDARY PAGES
GEOMINE:Geological Information Site
VIRTUAL CAVE
Bluff Dwellers Cave and Browning Museum by Noel Missouri
A Rare skeletal, octahedral Gold crystal in vein quartz from the Witwatersrand Basin, South Africa
The Canadian RockHound Internet Magazine
Volcano Word - a good site for children
Rock Collecting By Bob Irving
The Clausthal Online Mineral Collection Germany with 93 mineral photos

MUSEUMS and UNIVERSITIES

UW-Madison Mineral Museum
Institute of Meteoritics, University of New Mexico
Franklin Institute on Rocks and Minerals
A Gem Of A Story On Line
The Natural History Museum of Los Angeles County Mineral Sciences
Cyberspace Museum
James Madison University Mineral Museum
The Australian Museum On Line
Wisconson Caves
SEAMAN MINERAL MUSEUM
The Worldwide Museum Of Natural History
Chicago Field Museum
University of Oxford Museum of Natural History
http://www.tyrrellmuseum.com/The
CORNELL UNIVERSITY GEOLOGY INFORMATION PAGES
THE GEOLOGY OF OUR NATIONAL PARKS
Smithsonian Museum
Racine Geological Society


MY BYRUM MONTANA FIELD TRIP

During our recent trip to Montana we were pleased to participate in a small fieldtrip in Byrum through Timescale Adventures and to visit the Old Trail Museum in Choteau.

At the Trex Agate Shop in Byrum, we spoke with Marion Brandvold the day before the trip to get all of the information that we needed for it. She is the woman that discovered the world's first nest with baby dinosaur bones by a nesting area near Choteau in 1987. The new species was named Maiasaura ( Maternal Lizard ). This was due to the fact that the location disclosed eggs, babies, and adult which leads to the new theory that the adults tended to their young. We enjoyed looking at the many displays in the shop.

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Our trip to the Dinosaur area left from the Trex Agate Shop the next day. David Trexler is the paleontologist that heads the one and two day field trips. Dan Minton is the historian for the fieldtrips and is very knowledgeable about the history and paleontology. Dave's wife Laurie helps and does much of the reconstruction. She discovered the original skull of the Maiasaura peeblesorum.

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The trips are through Timescale Adventures (1-800- ADVNTRE), a non-profit organization. They allow the public to help with research in the field through hands-on educational opportunities. We choose to take the shorter three hour trip due to time constraints. We began our journey though the backwoods and then onto private land, twelve miles from town, where their current dig is located. The van was parked and we were given bottled water to bring along for drinking. We began our hike to the sites.

Our first lesson was the geological history of the area, the collecting rules and regulations, background and purpose of the organization, and backgrounds of the staff/Board of Directors. The location is at the contact point of the Two Medicine Formation and the Virgille Sandstone Formation which was deposited during the Cretaceous time. The Sawtooth Mountain range and Teton River Valley are about 50 miles west of there. It is at the old shoreline of an extinct inland Sea where Titaniferous Magnetite forms the late Cretaceous beaches. Dan told us that it is so thick that it affects a compass if put close to the ground. There is also Sandstone, Mudstone, Calcite, and Petrified Wood.

Our second lesson was to identify the Dinosaur bones from the rest of the rocks and minerals scattered all over the ground in the washes and in the terraces. He showed us samples and told us about the species that have been identified on the site.

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There were plant eaters and meat eaters. The plant eaters digested primarily foliage and pines. The carnivorous dinosaurs dined on the plant eaters and the eggs in the nesting areas. The Ornithischia were the "bird-hip" dinosaurs. They were the plant eaters and had blunt teeth. The Saurischians had a "reptile- hip" structure were meat eaters and had sharp teeth. The ones found in the area were Albertasaurs, Hadrossaurs, Ceratopsians, and a few more that I can't spell (Miasaurs??, Truadon??, Oradromian ??. Oh well, I guess I should have bought a book)

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Finally we actually got to do a little collecting in several spots. Scientifically significant finds we were not allowed to collect. ( Gee I wonder why not? Ha, Ha! ) We were able to bring home some weathered pieces of bones and several small pieces of dinosaur egg shells. I even got a nice big chunk of petrified wood that Dan was nice enough to haul around for several hours for me. At one point he set it down and forgot it, but went back and found it again. At one spot, we had a little competition with some GIANT GRASSHOPPERS!! These things were almost 3 inches long and as thick as my thumb! They were so noisy that you could hardly hear for a while. But they didn't get our bones.

Pat, Ed, and myself found the three hours to go really fast and the whole experience very worthwhile. Pat mentioned that we should go back for the one or two day trip the next time.

We left Bynum and headed for the Old Trail Museum (1-406-466-5332) in Choteau. It is directed by Eva Luinstra. There are many fossil displays and the Hadrosaur display is particularly very impressive. The museum also houses historical displays from the area. This includes a sheleton of a man killed by arrows, which are still embedded in the bones. In the future they will be renovating the museum and expanding the Dinosaur exhibits.

The staff were so helpful and very informative. Judy Cassidy let me take pictures in the preparation area and explained what they do to assemble the pieces of fossils. She even re-arranged the tools so they could behind a hipbone section. The other was a part of a hip section. What was so unique about it was that the space in the middle had opalized. This is a rare occurrence in this location. We had a good talk and she showed me around the museum while Pat and Ed watched a video that they had about the Dinosaur sites. The museum offers Dinosaur bed tours and hands-on Paleontology classes. That's all for now- I've attached some of the pictures. Enjoy them..B.W.

More field trips and vacations - Meramec Caverns
More field trips and vacations - Concretions In Wisconsin

More field trips and vacations - Makoshika Park



More field trips and vacations - Crater Of The Moons National Monument Idaho
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