Fall Line of the Appomattox River
E950397
The Fall Line of the Appomattox River is the geomorphic boundary in Virginia where the river descends from the hard rocks of the Piedmont to the softer sediments of the Coastal Plain, creating rapids and waterfalls that historically influenced settlement and industry.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Fall Line | 1 |
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
fall line
ⓘ
geomorphic boundary ⓘ |
| associatedWith |
mill locations
ⓘ
navigation limits on the Appomattox River ⓘ waterpower sites ⓘ |
| characterizedBy |
rapids
ⓘ
waterfalls ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| geologyDownstream | softer sediments of the Coastal Plain ⓘ |
| geologyUpstream | hard crystalline rocks of the Piedmont ⓘ |
| geomorphicSignificance | marks change from bedrock-controlled channel to alluvial channel ⓘ |
| hasFeature |
steep channel gradient
ⓘ
turbulent flow ⓘ |
| historicalFunction |
boundary between upriver and downriver navigation
ⓘ
site of early manufacturing ⓘ |
| hydrologicRole | zone of increased stream gradient ⓘ |
| influenced |
historical settlement patterns
ⓘ
industrial development ⓘ |
| influences |
local riverine ecosystems
ⓘ
sediment transport dynamics on the Appomattox River ⓘ |
| locatedIn | Virginia ⓘ |
| locatedOnRiver | Appomattox River NERFINISHED ⓘ |
| partOf | Atlantic Seaboard Fall Line NERFINISHED ⓘ |
| process |
differential erosion of rock types
ⓘ
river incision into resistant bedrock ⓘ |
| region | eastern Virginia NERFINISHED ⓘ |
| separates |
Coastal Plain
NERFINISHED
ⓘ
Piedmont NERFINISHED ⓘ |
| state | Virginia ⓘ |
| transitionFrom | Piedmont physiographic province NERFINISHED ⓘ |
| transitionTo | Atlantic Coastal Plain physiographic province NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fall Line