Arkose with ripples, Pt2,王屋山
Arkose with ripples, Pt2, 王屋山
Pt2t/Pt2h/Pt2W, Bevin aah
Pt2t/Pt2h/Pt2w, Beijing
Dolomite, Pt2 w, Beijing
Dolomite, Pt2w, Beijing
Dolomite with stromatolites cross-beddings, Pt2t, Beijing
Dolomite with stromatolites & cross-beddings, Pt2t, Beijing
Sun in winter Fig. 2. Sinusoidal growth model assuming maximum gro wth incident sunlight. A columnar stromatolite forming near conditions may produce sinusoidal structures that preserve relationships and biogeological information cyanobacteria 2210层的生点示能图 Dolomite with stromatolite, Pt2t, Beijing A,单丝微生:球生物:C复套丝状生
Dolomite with stromatolite, Pt2t, Beijing cyanobacteria