Shan MaJiaGou Fm., Southern region of QingShuiHe County, Nei Mongo Prov., China (Ordovician of China)
Where: Nei Mongol, China (40.0° N, 112.0° E: paleocoordinates 16.5° S, 124.2° E)
• local area-level geographic resolution
When: Shan Majiagou Formation, Llanvirn (466.0 - 460.9 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified, gray, yellow lime mudstone and limestone
• light grayish yellow thin-bedded mud limestone and limestone interbedded with limestone
Primary reference: Nei Monggol Stratigraphic Group. 1978. Regional stratigraphic table of northern China, Nei Monggol part. Geological Publishing House, Beijing, China 1-338 [A. Miller/P. Novack-Gottshall/A. Rees] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8541: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 01.08.2000