Guniutan Fm., HuangLing, Hubei Provinces, China (Ordovician of China)
Where: Hubei, China (31.0° N, 111.0° E: paleocoordinates 11.2° N, 135.1° E)
• local area-level geographic resolution
When: Guniutan Formation, Llanvirn (466.0 - 460.9 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified, concretionary, gray, green limestone
• grayish green nodular limestone and gray limestone with occasional mud cracks
Primary reference: Stratigraphic Group of Central South China. 1974. Regional stratigraphic data of central South China. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7726: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.05.2000