Hole-in-the-Ground maar
E628082
Hole-in-the-Ground maar is a large, well-preserved volcanic explosion crater in central Oregon known for its steep-walled, circular depression formed by a violent phreatomagmatic eruption.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
maar
ⓘ
phreatomagmatic explosion crater ⓘ volcanic crater ⓘ |
| access | gravel road from U.S. Route 31 ⓘ |
| approximateAge |
late Pleistocene
ⓘ
less than 100,000 years ⓘ |
| contains |
flat-floored crater bottom
ⓘ
seasonal ponds ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Deschutes County NERFINISHED ⓘ |
| depth | approximately 100 meters ⓘ |
| diameter | approximately 1.0 kilometer ⓘ |
| elevation | approximately 1460 meters above sea level ⓘ |
| eruptionStyle | explosive ⓘ |
| eruptionType | phreatomagmatic ⓘ |
| featureOfInterestFor |
geologists
ⓘ
hikers ⓘ volcanologists ⓘ |
| formationProcess | phreatomagmatic eruption ⓘ |
| formedByInteractionOf |
groundwater
ⓘ
rising magma ⓘ |
| geologicalAge | Pleistocene ⓘ |
| geologicProvince | Basin and Range Province NERFINISHED ⓘ |
| geologicSetting | intra-plate basaltic volcanism ⓘ |
| locatedIn |
Deschutes County, Oregon
NERFINISHED
ⓘ
Oregon ⓘ United States of America ⓘ
surface form:
United States
central Oregon NERFINISHED ⓘ |
| managedBy | U.S. Bureau of Land Management NERFINISHED ⓘ |
| near |
Fort Rock, Oregon
NERFINISHED
ⓘ
U.S. Route 31 NERFINISHED ⓘ |
| notableFor |
distinct circular outline
ⓘ
excellent exposure of phreatomagmatic deposits ⓘ large size for a maar ⓘ steep crater walls ⓘ |
| partOf |
Fort Rock–Christmas Lake Valley basin
NERFINISHED
ⓘ
Fort Rock–Christmas Lake Valley volcanic field NERFINISHED ⓘ |
| preservationState | well-preserved ⓘ |
| region | High Lava Plains of Oregon NERFINISHED ⓘ |
| rockType | basaltic ⓘ |
| shape | circular ⓘ |
| state | Oregon ⓘ |
| surfaceFeature | rim of ejecta and tuff rings ⓘ |
| usedFor |
geologic field studies
ⓘ
recreation ⓘ |
| vegetation |
ponderosa pine
ⓘ
sagebrush ⓘ |
| volcanicField | Fort Rock–Christmas Lake Valley volcanic field NERFINISHED ⓘ |
| wallCharacteristic | steep-walled ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.