-
Union of
Geological Sciences. Most, but not all,
GSSPs are
based on
paleontological changes.
Hence GSSPs are
usually described in
terms of
transitions between...
- history". BBC News.
Retrieved 19 July 2018.
International Commission on Stratigraphy. "
GSSP Table – All Periods".
GSSPs.
Retrieved 15 July 2018. v t e...
- System/Period): two new
Global Boundary Stratotype Sections and
Points (
GSSPs) and
three new stages/subseries" (PDF). Episodes. 41 (4). Subcommission...
- System/Period): two new
Global Boundary Stratotype Sections and
Points (
GSSPs) and
three new stages/subseries" (PDF). Episodes. 41 (4). Subcommission...
-
Point (
GSSP),
largely based on
paleontology and
improved methods of
fossil dating, is used to
define such boundaries. In
contrast to GSSAs,
GSSPs are based...
-
until the year AD 1997. *"ICS
chart containing the
Quaternary and
Cambrian GSSPs and new
stages (v 2018/07) is now released!".
Retrieved February 1, 2019...
-
Since 1977,
Global Boundary Stratotype Sections and
Points (abbreviated
GSSPs) are
internationally agreed upon
reference points on
stratigraphic sections...
-
arbitrarily defined. They are used
where GSSPs have not yet been established.
Research is
ongoing to
define GSSPs for the base of all
units that are currently...
- to c. 489.5 Ma,
which have
defined GSSPs; and the
unnamed Cambrian Stage 10, c. 489.5 Ma to 485.4 ± 1.9 Ma. The
GSSP for the Cambrian–Ordovician boundary...
- 001.0001. ISBN 9780199653065.
International Commission on Stratigraphy. "
GSSPs".
Retrieved 10 July 2018. Gradstein,
Felix M.; Ogg,
James G.; Smith, Alan...
