Geology Reference
In-Depth Information
7. Fossilized tree stump at Florissant Fossil Beds National
Monument, Colorado. The woody tissue has been replaced
by silicon dioxide. Mudflows 3 to 6 m deep buried the lower
parts of many trees at this site.
8. A palm frond
and an insect
preserved by
carbonization.
10. Insects preserved in amber, hardened resin
secreted by coniferous trees.
9. This 6- or 7-month-old frozen baby
mammoth was found in Siberia in 1977.
It measures 1.15 m long and 1 m high.
Most of its hair has fallen out except
around the feet. The carcass is about
40,000 years old.
11. This insect from the La
Brea Tar Pits in Los Angeles
is just one of hundreds of
species of animals found in
the asphalt-like substance
in the pits.
489
Search WWH ::
Custom Search