 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
Specimen
Ridge Virtual Hike
 |
| The upper part of this tree is burried in a conglomerate and exhibits much abrasion. The extensive root system penetrates into a tuffaceous sandstone. This tree was growing in place when it was pushed over by an advancing volcanic mudflow (Yuretich, 1984, p. 160). |
Yuretich, R.F. (1984). Yellowstone fossil forests: New evidence for burial in place: Geology, v. 12, p. 159-162. |