Wash, rinse and repeat: See pics from Paleo Wash Day at HMNS Sugar Land


August 14, 2012
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I would like to thank the approximately 175 citizen scientists that came out Saturday at HMNS Sugar Land. They helped us process approximately 1,000 pounds of soil and rock from the specimens we’ve collected from our Permian-aged (182-187 million years ago) site near Seymour,Texas.

washday 010I was impressed with your cooperativeness, curiosity, and, most importantly, the care you all exhibited in processing these samples. Also, this experience absolutely would not have been possible without the facilitation of our experienced museum and field crew volunteers.

washday 011The Process:

In excavating fossils, many times we will work to retain the matrix that is removed from around the specimen. This matrix is soaked in water and allowed to disaggregate. Then the mud is placed and screens and gently rinsed, leaving behind hard pieces — including fossils.

UntitledAfter rinsing, the specimens are dried and then searched. This process will typically reduce the bulk sample size by 80 percent.  People processing the sample typically are left very wet and muddy, as you can see here:

washday 048From all of us here at HMNS, thank you!

David
Authored By David Temple

David is the Museum’s associate curator of paleontology. In addition to running the Museum’s dig program in Seymour, TX and curating exhibits, he’s also unofficial head of The Department of Mysteries, a shadow wing of HMNS that deals with strange goo, unusual fossils, mysterious substances or any other unknown object you'd like to know what to do with.

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