1. These lower Proterozoic clastic rocks are subdivided into two groups. 2. Clastic rocks can be classified by texture, sediment name and rock name.3. Oligocene clastic rocks can also act as reservoir rocks in distal fan facies. 4. The Monterey Formation is characterized by abnormally high silica content compared to most clastic rocks . 5. North of Notre-Dame Street in the lowest area there are Clastic rocks from the Campbellton formation. 6. Clastic rocks of the Chilhowee Group are of early Cambrian age ( 542 520 million years old ).7. There are also continental clastic rocks of lower Cretaceous age and rocks of marine origin from the Upper Cretaceous. 8. Deposition of thick basinal clastic rocks of the Atoka, Strawn, and Canyon Formations occurred at this time. 9. This alluvium is adjacent to and probably underlain by volcanic clastic rock deposited by Mount Shasta in the course of its development. 10. Clastic rocks of provenance similar to the Barnett dominate the Pennsylvanian part of the stratigraphic section in the Bend Arch Fort Worth Basin.
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