Xigulanhe Fm
Period:
Devonian
Age Interval:
D12 (6), early Devonian
Province:
Heilongjiang
Type Locality and Naming
Xigulanhe in Heihe City, Heilongjiang Province. Xue Chunding et al., 1980..
.
Lithology and Thickness
Grayish green slate.
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Not given
Upper contact
Next younger unit on strat column is the Niqiuhe Fm.
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[125.57,49.86],[124.58,48.31],[124.87,47.76],[126.03,48.35],[126.47,49.39],[125.57,49.86]]]]}}
Fossils
Not given.
Age
Lochkovian
Age Span:
S
Beginning stage:
Lochkovian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
419.00
Ending stage:
Lochkovian
Fraction up in the ending stage:
1.0
Ending date (Ma):
412.40
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Not in English Devon Lexicon (maybe in forthcoming Silurian one); so entry is from Geol. Formation Names of China book