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Santa Marta - Rabot, Western Antarctica, Antarctica

FormationSanta Marta
MemberRabot
Age:83.5 - 66.0 Ma
Late/Upper Cretaceous
IntervalEarly Campanian
Lithologysiltstone, sandstone/siltstone, mudstone/tuff
Number of Collections21
Number of Occurrences214

Recorded Sample Locations

LocationRegionStratigraphic Name
Seymour Island [Rabot MbrWeddell Sea, Western Antarctica, AntarcticaSanta Marta - Rabot
Stoneley Point [Kotick Point Fm]Western Antarctica, AntarcticaSanta Marta - Rabot
Ekelöf Point - Rabot Member of Santa Marta Formation - DJ.294.1Western Antarctica, AntarcticaSanta Marta - Rabot

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Kotick Point105 - 99.6 Ma
Cretaceous
mudstone/sandstone, conglomerate, mudstone116
Lopez de Bertodano66.0 - 56.0 Ma
Paleocene
sandstone/siltstone, siltstone, sandstone/"shale", sandstone, siltstone/sandstone, "shale"/sandstone, siltstone/"carbonate", mudstone, "siliciclastic", "shale", siltstone/mudstone1719
Santa Marta83.5 - 70.6 Ma
Late/Upper Cretaceous
siliciclastic, sandstone, siltstone180
Whisky Bay89.8 - 86.3 Ma
Late/Upper Cretaceous
siliciclastic, siltstone, conglomerate, sandstone/conglomerate, sandstone, conglomerate/sandstone72
Whisky Bay - Bibby Point113 - 101 Ma
Early/Lower Cretaceous
conglomerate5
Whisky Bay - Brandy Bay89.8 - 86.3 Ma
Late/Upper Cretaceous
sandstone, siltstone, siltstone/conglomerate6
Whisky Bay - Gin Cove105 - 99.6 Ma
Cretaceous
conglomerate/sandstone11
Whisky Bay - Lewis Hill113 - 101 Ma
Early/Lower Cretaceous
conglomerate3
Whisky Bay - Rum Cove89.8 - 86.3 Ma
Late/Upper Cretaceous
conglomerate/sandstone1
Whisky Bay - Tumbledown Cliffs101 - 93.9 Ma
Late/Upper Cretaceous
conglomerate/sandstone12

Recorded Fossils

Accepted NameHierarchyAge
Odontochitina operculata
species
7Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Ceratiaceae : Odontochitina : Odontochitina operculata83.6 - 66 Ma
Late/Upper Cretaceous
Odontochitina porifera
species
7Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Ceratiaceae : Odontochitina : Odontochitina porifera83.5 - 70.6 Ma
Late/Upper Cretaceous
Oligosphaeridium sp.
genus
6Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Gonyaulacaceae : Oligosphaeridium83.6 - 66 Ma
Late/Upper Cretaceous
Oligosphaeridium complex
species
7Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Gonyaulacaceae : Oligosphaeridium : Oligosphaeridium complex83.6 - 66 Ma
Late/Upper Cretaceous
Tanyosphaeridium xanthiopyxides
species
7Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Tanyosphaeridium : Tanyosphaeridium xanthiopyxides83.6 - 66 Ma
Late/Upper Cretaceous
Diconodinium sp.
genus
6Dinophyceae : Diconodinium83.6 - 66 Ma
Late/Upper Cretaceous
Spiniferites sp.
genus
6Dinophyceae : Spiniferites83.6 - 66 Ma
Late/Upper Cretaceous
Phelodinium kozlowskii
species
7Dinophyceae : Protoperidiniaceae : Phelodinium : Phelodinium kozlowskii83.6 - 66 Ma
Late/Upper Cretaceous
Phelodinium magnificum
species
7Dinophyceae : Protoperidiniaceae : Phelodinium : Phelodinium magnificum83.6 - 66 Ma
Late/Upper Cretaceous
Histiocysta sp.
genus
6Histiocysta83.6 - 66 Ma
Late/Upper Cretaceous
Natalites sp.
genus
6Natalites83.5 - 70.6 Ma
Late/Upper Cretaceous
Nelsoniella aceras
species
7Nelsoniella : Nelsoniella aceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Nelsoniella semireticulata
species
7Nelsoniella : Nelsoniella semireticulata83.5 - 70.6 Ma
Late/Upper Cretaceous
Nelsoniella tuberculata
species
7Nelsoniella : Nelsoniella tuberculata83.5 - 70.6 Ma
Late/Upper Cretaceous
Nematosphaeropsis densiradiata
species
7Nematosphaeropsis : Nematosphaeropsis densiradiata83.6 - 66 Ma
Late/Upper Cretaceous
Cerodinium diebelii
species
7Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Cerodinium : Cerodinium diebelii83.6 - 66 Ma
Late/Upper Cretaceous
Isabelidinium sp.
genus
6Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Isabelidinium83.6 - 66 Ma
Late/Upper Cretaceous
Isabelidinium cretaceum
species
7Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Isabelidinium : Isabelidinium cretaceum83.6 - 66 Ma
Late/Upper Cretaceous
Isabelidinium papillum
species
7Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Isabelidinium : Isabelidinium papillum83.6 - 66 Ma
Late/Upper Cretaceous
Isabelidinium pellucidum
species
7Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Isabelidinium : Isabelidinium pellucidum83.6 - 66 Ma
Late/Upper Cretaceous
Isabelidinium ponticum
species
7Chromista : Myzozoa : Dinophyceae : Peridiniales : Peridiniaceae : Isabelidinium : Isabelidinium ponticum83.6 - 66 Ma
Late/Upper Cretaceous
Decapoda
order
4Animalia : Arthropoda : Malacostraca : Decapoda83.5 - 70.6 Ma
Late/Upper Cretaceous
Inoceramidae
family
5Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Inoceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites bailyi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites bailyi83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites rectus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites rectus83.5 - 70.6 Ma
Late/Upper Cretaceous
Polyptychoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Polyptychoceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudoxybeloceras (Parasolenoceras) sp.
subgenus
6.3Animalia : Mollusca : Cephalopoda : Ammonitida : Diplomoceratidae : Pseudoxybeloceras : Pseudoxybeloceras (Parasolenoceras)83.5 - 70.6 Ma
Late/Upper Cretaceous
Anagaudryceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Anagaudryceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Anagaudryceras subsacya
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Anagaudryceras : Anagaudryceras subsacya83.5 - 70.6 Ma
Late/Upper Cretaceous
Gaudryceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Gaudryceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Gaudryceras (Gaudryceras) varicostatum
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Gaudryceratidae : Gaudryceras : Gaudryceras (Gaudryceras) varicostatum83.5 - 70.6 Ma
Late/Upper Cretaceous
Gaudryceras crassicostatum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Gaudryceras : Gaudryceras crassicostatum83.5 - 70.6 Ma
Late/Upper Cretaceous
Gaudryceras varagurense
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Gaudryceratidae : Gaudryceras : Gaudryceras varagurense83.5 - 70.6 Ma
Late/Upper Cretaceous
Zelandites kaiparaensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Zelandites : Zelandites kaiparaensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Maorites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Kossmaticeratidae : Maorites83.5 - 70.6 Ma
Late/Upper Cretaceous
Neograhamites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Kossmaticeratidae : Neograhamites83.5 - 70.6 Ma
Late/Upper Cretaceous
Anapachydiscus fascicostatus
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Menuites : Anapachydiscus fascicostatus83.5 - 70.6 Ma
Late/Upper Cretaceous
Eupachydiscus sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Pachydiscidae : Eupachydiscus83.5 - 70.6 Ma
Late/Upper Cretaceous
Menuites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Menuites83.5 - 70.6 Ma
Late/Upper Cretaceous
Pachydiscus sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Pachydiscidae : Pachydiscus83.5 - 70.6 Ma
Late/Upper Cretaceous
Hoplitoplacenticeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Hoplitoplacenticeras83.5 - 70.6 Ma
Late/Upper Cretaceous
Hoplitoplacenticeras plasticum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Hoplitoplacenticeras : Hoplitoplacenticeras plasticum83.5 - 70.6 Ma
Late/Upper Cretaceous
Metaplacenticeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Metaplacenticeras83.5 - 70.6 Ma
Late/Upper Cretaceous
Ptychoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Ptychoceratidae : Ptychoceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudophyllites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Tetragonitidae : Pseudophyllites83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudophyllites latus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Tetragonitidae : Pseudophyllites : Pseudophyllites latus83.5 - 70.6 Ma
Late/Upper Cretaceous
Tetragonites sp.
genus
6Animalia : Mollusca : Cephalopoda : Tetragonites83.5 - 70.6 Ma
Late/Upper Cretaceous
Neophylloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Phylloceratidae : Neophylloceras83.5 - 70.6 Ma
Late/Upper Cretaceous

References

Crame J. A., Pirrie D., et al (1991) Campanian-Maastrichtian (Cretaceous) stratigraphy of the James Ross Island area, Antarctica, Journal of the Geological Society, London 148, 1125-1140
Marenssi S. A., Lirio J. M., et al (1992) El Cretacio Superior del sudeste de la Isla James Ross, Antartida, Geologia de la Isla James Ross, 77-88
Sumner P. W. (1992) Dinoflagellate cysts from the Rabot Member (Santa Marta Formation) of eastern James Ross Island, Antarctic Science 4 3, 305-310
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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