Bala Formation

Geology

Members: unnamed (1)

Lithologies: conglomerate (1)

Paleoenvironments: fluvial indet. (1)

Age range: base of the Atdabanian to the top of the Santacrucian or 521.00000 to 16.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Atdabanian521.0 - 516.0Russian Federation (Krasnoyarskiy Kray) (81332 81333 81334)
Atdabanian - Botomian521.0 - 512.1Russian Federation (Krasnoyarskiy Kray) (81335)
Series 2521.0 - 506.5China (Guizhou) (277022)
Botomian516.0 - 512.1Russian Federation (Krasnoyarskiy Kray) (81336 81438)
Duyunian514.5 - 506.5China (Hunan) (234743 234744)
Duyunian514.5 - 506.5China (Guizhou) (88777 88778 88779 88780 88781 88782 88783 99643 99644 99645 127812 236016 237148)
Stage 4514.5 - 506.5China (Hunan) (277901)
Asselian298.9 - 293.52Russian Federation (227018 227019)
Artinskian - Kungurian290.1 - 274.4Russian Federation (30743)
Kungurian283.3 - 274.4Russian Federation (30750)
Late/Upper Toarcian180.4 - 174.7Spain (Lerida) (160644)
Late/Upper Toarcian180.4 - 174.7Spain (160205 160645 160647 160808 160809 160874 160875 161031 161032 161107 161109 161110)
Bathonian168.2 - 165.3Uzbekistan (30968)
Late/Upper Bathonian168.2 - 165.3Kyrgyzstan (Jalal-Abad) (58182 58183 58187 79954 79955)
Bathonian - Callovian168.2 - 161.5Kyrgyzstan (Jalal-Abad) (138960 138961)
Bathonian - Callovian168.2 - 161.5Uzbekistan (30976)
Callovian165.3 - 161.5Kyrgyzstan (Jalal-Abad) (37596 37597 46545 46547 46549 53149 53150 58185 58186 58188 58189 58190 235900 235956)
Callovian165.3 - 161.5Uzbekistan (Farg'ona) (58184)
Santacrucian17.5 - 16.3Peru (Madre de Dios) (204535)