Hsanda Gol Formation

Geology

Members: unnamed (116), Shand (4), Tatal (4)

Lithologies: not reported (15), claystone (3), mudstone (99), siltstone (6), gravel (1)

Paleoenvironments: terrestrial indet. (124)

Age range: base of the Early/Lower Oligocene to the top of the Late/Upper Oligocene or 33.90000 to 23.03000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Oligocene33.9 - 28.4Mongolia (53977 53979 75601 77772 114684 174649 174754 174916 175168 177035 180697 180874 180954 182064 182130 187273)
Early/Lower Oligocene33.9 - 28.4Mongolia (Ömnögovi) (176360)
Early/Lower Oligocene33.9 - 28.4Mongolia (Dornogovi) (176559)
Early/Lower Oligocene33.9 - 28.4Mongolia (Bayankhongor) (176359)
Early/Lower Oligocene33.9 - 28.4Mongolia (Övörkhangai) (53978 75595 135790 135791 135792 135793 135794 135802 135803 135804 135806 174911 175169 175170 175171 180955 180953 180956 180958 180959 180960 180961 180962 180963 180964 180970 180973 180980 180982 180984 180985 182041 182042 182054 182055 182062 182063 182065 182066 182067 182112 182113 182114 182115 182116 182117 182118 182119 182128 182129 182131 187260 187261 187262 187263 187264 187293 187294 187295 187296 187298 187299 187301 187304 187312 201176 201185 201191)
Late/Upper Oligocene28.4 - 23.03Mongolia (75588 75599 176446 180971 180972 182056 182057 182058 182059 182060 182061 182068 182070 182072 182121 182132 182133 182140 187259 187274 201162)
Late/Upper Oligocene28.4 - 23.03Mongolia (Övörkhangai) (182071 182073 182074 182075 182076 182077 182078 182081 182082 182084 182085 182139 183914 183916 187300)
Late/Upper Oligocene - Early/Lower Miocene28.4 - 15.97Mongolia (Övörkhangai) (180969)