Fort Rock–Christmas Lake Valley volcanic field
E671030
The Fort Rock–Christmas Lake Valley volcanic field is a geologically young area in south-central Oregon characterized by numerous maars, tuff rings, and basaltic lava flows formed by explosive and effusive volcanic activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Rock–Christmas Lake Valley volcanic field canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
monogenetic volcanic field
ⓘ
volcanic field ⓘ |
| climate | semi-arid ⓘ |
| contains |
Big Hole maar
NERFINISHED
ⓘ
Crack-in-the-Ground fissure NERFINISHED ⓘ Devils Garden lava field NERFINISHED ⓘ East Lava Field NERFINISHED ⓘ Fort Rock maar NERFINISHED ⓘ Four Craters Lava Field NERFINISHED ⓘ Hole-in-the-Ground maar NERFINISHED ⓘ Lost Forest Research Natural Area NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| eruptionStyle |
effusive
ⓘ
explosive ⓘ |
| formedBy |
Strombolian eruptions
ⓘ
phreatomagmatic eruptions ⓘ |
| geologicalAge |
Holocene
ⓘ
Pleistocene ⓘ Quaternary ⓘ |
| hasHazardPotential | low to moderate ⓘ |
| hasLandform |
lava shield
ⓘ
lava tube ⓘ tuff ring plateau ⓘ |
| lastEruption | Holocene epoch NERFINISHED ⓘ |
| locatedIn |
Lake County, Oregon
NERFINISHED
ⓘ
Oregon ⓘ south-central Oregon NERFINISHED ⓘ |
| monitoredBy |
USGS Cascades Volcano Observatory
NERFINISHED
ⓘ
United States Geological Survey NERFINISHED ⓘ |
| near |
Christmas Lake Valley
NERFINISHED
ⓘ
Fort Rock, Oregon NERFINISHED ⓘ |
| overlies | Basin-fill sediments ⓘ |
| partOf |
Basin and Range Province
ⓘ
High Lava Plains NERFINISHED ⓘ |
| relatedTo |
Brothers Fault Zone
NERFINISHED
ⓘ
Newberry Volcano NERFINISHED ⓘ |
| rockType |
basalt
ⓘ
basaltic andesite ⓘ |
| surfaceExpression |
maars filled with sediment
ⓘ
scoria cones ⓘ |
| tectonicSetting |
extensional regime
ⓘ
intra-plate ⓘ |
| usedFor |
geologic research
ⓘ
volcanology education ⓘ |
| volcanicFeature |
cinder cone
ⓘ
lava flow ⓘ maar ⓘ spatter cone ⓘ tuff ring ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.