Longtan Formation

Geology

Members: unnamed (310), 3 (2), Laoshan (1), Lower (3), Upper (2)

Lithologies: not reported (26), "siliciclastic" (126), claystone (1), mudstone (57), "shale" (15), siltstone (22), sandstone (11), "mixed carbonate-siliciclastic" (2), marl (1), lime mudstone (1), "limestone" (63), coal (3), lignite (1)

Paleoenvironments: marine indet. (137), terrestrial indet. (3), carbonate indet. (46), open shallow subtidal (10), coastal indet. (94), offshore (16), deep-water indet. (3), fluvial indet. (2), lacustrine - large (2)

Age range: base of the Wuchiapingian to the top of the Late/Upper Miocene or 259.90000 to 5.33300 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Wuchiapingian259.9 - 254.17China (Guangdong) (82298 105459 105911 105913 109870 111573 121056 121062 121064 121069 121089 121099 121115 121121 123591 123594 123634)
Wuchiapingian259.9 - 254.17China (Hubei) (29815 95720 120792 121116 123618)
Wuchiapingian259.9 - 254.17China (Jiangsu) (29955 29957 29964 102124 102128 102137 102139 120103 121626 124249)
Wuchiapingian259.9 - 254.17China (Anhui) (29794 29797 95763 97300 100782 111769 112376 120028 120101 120117 121673 124250 143415 143417)
Wuchiapingian259.9 - 254.17China (Guangxi) (29910 98075)
Wuchiapingian259.9 - 254.17China (Yunnan) (29843 62457 100177 100183 139261)
Wuchiapingian259.9 - 254.17China (Sichuan) (56610 109649 56615 56618 56619 56620 95647 98077 98078 103451 156800 156801 156802 156803 156804 156805 156806 156807 156808 156809)
Wuchiapingian259.9 - 254.17China (Guizhou) (30002 32498 112126 112127 81337 81338 81339 81340 86530 86598 86599 86600 86601 86602 86603 86604 86605 95175 95176 95177 95219 95266 95748 95751 95757 97262 98028 98051 98071 98073 108153 108154 108164 108166 108168 108177 108178 108181 108184 108190 108191 108192 110971 110974 112131 112133 112353 119941 119942 119944 119953 119954 119955 119956 119957 119958 119960 119961 119963 119964 119965 119966 119967 120780 121700 138495 138496 138497 138498 138499 138500 138501 138503 138504 138506 138507 138508 138509 138510 138517 138518 138519 138520 138521 197494 197495 197496 197497 197498)
Wuchiapingian259.9 - 254.17China (Chongqing) (98050 98065 98067 98068 98074 103449 103454 103471 103473 109648 110405 117768 120784 121025 121026 121027 121028 121029 121030 121031 121032 121033 121034 121035 121036 126978 128662 138475 138476 138477 138478 138479 138480 138481 138482 138483 138484 138491 138492 149283 156827 156828 156829 156830 156831 156833 156834 156835 156836 156837 156838 156839 156840 156841 156842 156843 156844 156867 156868 156869 156870 156871 156872 156873 156874 156875 156876 156877 156878 156879)
Wuchiapingian259.9 - 254.17China (Hunan) (29883 29895 96863 105450 105462 105471 105914 105921 105945 105949 109856 109862 109868 111565 120787 121731 123589 123592 123598 123602 123619 123623 123644 124020 124024)
Wuchiapingian259.9 - 254.17China (61846 61862 61863)
Wuchiapingian259.9 - 254.17China (Jiangxi) (97112 100774 101466 102118)
Wuchiapingian259.9 - 254.17China (Zhejiang) (29773 95268 97018 101461 111502 111503 111504 111505 111506 111507 111508 111509 111510 111511 111512 111513 111514 120088 120113 120777 121645 122707 122713 122714 122715 122716)
Lopingian259.9 - 252.17China (Shuicheng) (197499)
Changhsingian254.17 - 252.17China (Guizhou) (108542 108543 108544 108545 108546 108547 108548 108549 108550 108551 108552 108553 145677 145679 145681 145682 145684 145685 145686 145687 145688 145689 163278 163279 163280 163281 163282 172214)
Norian - Rhaetian228.0 - 201.3China (Hubei) (29879)
Rupelian33.9 - 28.1China (Yunnan) (210666)
Late/Upper Miocene11.608 - 5.333China (Yunnan) (222698 224406 224409 224543 230295)