Malargüe Group

Geology

Formations: unnamed (1), Agua de la Piedra (2), Allen (79), Huantraico (1), Jagüel (123), Loncoche (19), Puesto Fortunata (2), Roca (55)

Lithologies: not reported (12), "siliciclastic" (1), claystone (17), mudstone (152), "shale" (3), siltstone (29), sandstone (91), conglomerate (2), marl (1), lime mudstone (1), wackestone (2), packstone (7), grainstone (10), "limestone" (36), "carbonate" (2), gypsum (1), tuff (2)

Paleoenvironments: marine indet. (24), terrestrial indet. (56), shallow subtidal indet. (22), platform/shelf-margin reef (1), deep subtidal ramp (1), deep subtidal indet. (1), offshore indet. (8), marginal marine indet. (6), coastal indet. (2), estuary/bay (1), lagoonal (1), delta plain (3), transition zone/lower shoreface (45), offshore (104), fluvial indet. (21), channel lag (1), "floodplain" (1), fluvial-lacustrine indet. (1), lacustrine delta plain (2), lacustrine deltaic indet. (7), lacustrine indet. (3), interdune (3)

Age range: base of the Late/Upper Maastrichtian to the top of the Deseadan or 70.60000 to 21.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Cretaceous100.5 - 66.0Argentina (Mendoza) (200128)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (Río Negro) (28459 32370 37039 48999 49557 52021 52910 95694 96070 96071 96091 96090 96092 96093 96094 96095 96096 96097 96098 96099 96100 96101 96102 96103 96104 96105 96106 96107 96108 96109 96110 96111 115194 115195 131830 135703 139574 140325 141578 141581 145698 185025 190127 194129 219347 219348 219349 219350 219351 219386 219528 219529 219530 219583 222575 230588 230596 231728 231729 231954 231955 231956 231957 231958 231959 232207 232274 232505 232506 235138)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (Mendoza) (85080 85081 85082 86016 86017 86018 91472 131421 168548 182521 185024 219345 219492 222546 236312 236313 236366 236368 236369 236371 236373)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (Neuquén) (80388 98791 150621 219311 219312 219313)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (La Pampa) (48829)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (Neuquen) (232090)
Late/Upper Campanian - Maastrichtian83.5 - 66.0Argentina (Río Negro) (51583)
Middle Campanian - Early/Lower Maastrichtian83.5 - 66.0Argentina (Río Negro) (230595)
Maastrichtian72.1 - 66.0Argentina (La Pampa) (106089 106091 106093 106094)
Maastrichtian72.1 - 66.0Argentina (Mendoza) (66656 105859 105860 105861 105862 106076 106077 106078 106079 106080 106081 106082 106083 106085 106086 106087 236020 236247 236365 236367 236370 236372)
Maastrichtian72.1 - 66.0Argentina (Neuquen) (236318)
Maastrichtian72.1 - 66.0Argentina (Neuquén) (66649 73943 74010 74011 74012 74013 74014 74015 74016 74017 74018 74019 74020 74021 74022 74027 74028 74029 74030 74035 74038 74039 74060 74061 74067 74070 74073 74074 74075 74084 74085 74086 74087 74089 74090 74091)
Maastrichtian72.1 - 66.0Argentina (Río Negro) (167871)
Maastrichtian72.1 - 66.0Argentina (Rio Negro) (106099 106100 231699)
Early/Lower Maastrichtian70.6 - 66.0Argentina (Neuquén) (93947)
Late/Upper Maastrichtian70.6 - 66.0Argentina (Mendoza) (106075 110470 110471 110473 110474 110476 110478 110488)
Late/Upper Maastrichtian70.6 - 66.0Argentina (Río Negro) (140997 140998 140999 208355 231889)
Late/Upper Maastrichtian70.6 - 66.0Argentina (Neuquén) (73882 73883 73944 73945 73946 73949 73950 73951 73952 73953 73954 73955 73956 73957 73958 73959 73960 73961 73962 73963 73964 73997 232654 232655 232656 232657 232658 232659 232660 232661 232662)
Late/Upper Maastrichtian70.6 - 66.0Argentina (La Pampa) (5167)
Late/Upper Maastrichtian - Danian70.6 - 61.6Argentina (Neuquén) (232029)
Danian66.0 - 61.6Argentina (Rio Negro) (106098 148484 148486 148488 148490 148492 148494 148495 148496 171150)
Danian66.0 - 61.6Argentina (Neuquén) (73884 73885 73886 73888 73889 73902 73905 73909 73910 73911 73912 73913 73914 73915 73916 73917 73918 73919 73920 73921 73922 73924 73925 73926 73935 73936 73937 73938 73939 73940 73941 73942 73969 73971 73972 73973 73974 73976 73977 73978 73979 73980 73981 73982 73983 73984 73985 73986 73987 73988 73990 73991 73992 73993 73995 74002 74004 74005 74006 74007 74008 74040 74041 74042 74043 74046 74048 74049 74051 74053 74054 74088)
Danian66.0 - 61.6Argentina (Neuquen) (236374)
Danian66.0 - 61.6Argentina (La Pampa) (106092 106095 106096 106097)
Danian66.0 - 61.6Argentina (Río Negro) (141237 141238)
Danian66.0 - 61.6Argentina (Mendoza) (105864 105865 106084 236248 236249)
Early/Lower Eocene - Middle Eocene55.8 - 37.71Argentina (Mendoza) (212320 212321)
Deseadan29.0 - 21.0Argentina (Mendoza) (176466 186516)