The Artemisa Formation is a
geologic formation
A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...
in western
Cuba
Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
. It preserves mainly
ammonite
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...
fossils
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
dating back to the
Late Oxfordian to
Tithonian
In the geological timescale, the Tithonian is the latest age of the Late Jurassic Epoch and the uppermost stage of the Upper Jurassic Series. It spans the time between 152.1 ± 4 Ma and 145.0 ± 4 Ma (million years ago). It is preceded by the K ...
period.
The formation is divided into two members; La Zarza and Sumidero Members.
[Figueroa Guanche et al., 2013, p.2] Most of the formation was deposited in deeper marine conditions.
[Figueroa Guanche et al., 2013, p.5]
See also
*
List of fossiliferous stratigraphic units in Cuba
The Paleobiology Database lists no known fossiliferous stratigraphic units in Dominica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines. The database also records no fossiliferous stratigraphic units within several regions of t ...
References
Bibliography
*
Further reading
* {{cite journal , last=Bermúdez , first=Pedro J , year=1961 , title=Las formaciones geológicas de Cuba , url=http://paleoarchive.com/literature/Bermudez1961-FormacionesGeologicasCuba.pdf , journal=
Geología Cubana , volume=1 , access-date=2019-02-06
* R. Myczynski. 1989. Ammonite biostratigraphy of the Tithonian of Western Cuba. Annales Societatis Geologorum Poloniae 59:43-125
Geologic formations of Cuba
Jurassic Cuba
Shale formations
Limestone formations
Open marine deposits
Formations
Formations