Object # PRR-10926: Rock Sample
| Media |  |
| Primary Field # | AD6027 |
| IGSN # | PRR010926 |
| Kind of Object | Rock Sample |
| Rock Type | Igneous |
| Rock Name | Tuff |
| Sample Description | Welded tuffs? (or fine-grained agglomerates, or rhyolitic phases) |
| Weight | 327 g |
| Susceptibility | 0 x10-5 SI units |
| General Notes | Rock is primarily rhyolite, aphanitic to medium grained with occasional layers of coarse, porphyritic felsite. Agglomerates and breccia are common. Seem to be series of high angle faults in block form. Flows show remarkable bedding near top of ridge at southern part of section. |
| Additional Notes at PRR | Yes |
| Expedition | USARP Traverse |
| Continent | Antarctica |
| Region | Marie Byrd Land |
| Mountain Range/Island Group | McCuddin Mountains |
| Mountain/Island Name | Mt. Petras |
| Coordinates | -75.867, -128.650 (75° 52' S, 128° 39' W) |
| Positioning Method | Geographic Name |
| Era | Cenozoic |
| Period | Paleogene |
| Epoch | Oligocene |
| Additional Material | Reference Petrographic Thin Section Available at PRR |
| Primary Field Logistics | Sno-cat |
| Secondary Field Logistics | Foot traverse |
| Data Sources | Field Notebook |
| Date Collected | 1960-01-08 |
| Field Year Collected | 1960 |
| Collector | Doumani, George |
| Donor | Doumani, George |
| References | Doumani, George A. and Ehlers, Ernest G., 1962, Petrography of Rocks from Mountains in Marie Byrd Land, West Antarctica, Geological Society of America Bulletin, v. 73 no. 7 p. 877-882 . doi:10.1130/0016-7606(1962)73[877:PORFMI]2.0.CO;2 |
If you would like a 3D scan of this sample, please contact the Curator.
Cite as:
The Polar Rock Repository (PRR), Byrd Polar and Climate Research Center (BPCRC), Ohio State University: Polar rock and dredge samples available for research and educational use from the PRR.
doi:10.7289/V5RF5S18 [date of access]
