- The
opening of the
Iapetus Ocean probably postdates the
opening of the
Puncoviscana Ocean,
which is
believed to have
opened around 700 Ma as
Laurentia drifted...
-
Puncoviscana Formation (Spanish: Formación
Puncoviscana) is a
formation of
sedimentary and
metasedimentary rocks Late
Ediacaran and
Lower Cambrian age...
-
setting of the
Puncoviscana Formation in
northwestern Argentina: An
accretionary complex related to
Early Cambrian closure of the
Puncoviscana Ocean and accretion...
- in-between. This sea
would have been the
Puncoviscana Basin. Víctor
Ramos proposes instead that the
Puncoviscana Basin was a
foreland basin located west...
-
worms known from the
Middle Cambrian Burgess Shale,
Ogygopsis Shale,
Puncoviscana Formation and the
Early Ordovician Fezouata Formation. 142 specimens...
-
million years ago.
Extremely ancient trace fossils have been
found in the
Puncoviscana Formation in the northwest,
which grades into gneiss,
schist and migmatite...
- and
aulacogens including the
Adamastor Ocean, the
Goianides Ocean, the
Puncoviscana Ocean and the Peri-Franciscano Ocean.
Attempts to
correlate the South...
- 2019-03-03
Puncoviscana Formation Do Campo,
Margarita Diana (1999), Mineralogía, geoquímica y geocronología de la Formación
Puncoviscana (Neoproterozoico)...
- The
group members rest
unconformably on top of the Ediacaran–Cambrian
Puncoviscana Formation.
According to G.F. Aceñolaza, the Mesón Basin – the sedimentary...
- is 18.9
million years ago.
Emplaced within the Precambrian-Cambrian
Puncoviscana formation, the
Nevado de Acay
monzonite contains biotite, diorite, hornblende...
