Product Details
- Product Number
- 116666
- Series
- OFR-2004-1343
- Scale
- NO SCALE
- Alternate ID
- 041343
- Authors
- DAVID C PROWELL
- Version Date
- 01/01/2004
- Regions
- DC
- Countries
- USA
Additional Details
- Description
- In 1976, the U.S. Geological Survey drilled four holes in Lafayette Park in Washington, D.C. These holes encountered two Coastal Plain units (Quaternary (undifferentiated) and the Lower Cretaceous Potomac Group), and then bottomed in Paleozoic metamorphic bedrock. The stratigraphic relations of the Coastal Plain formations indicate that the Potomac Group strata become abruptly thicker from west to east across the park.
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