gssps造句

例句与造句

1. Updated versions of GSSPs and International Chronostratigraphic Chart are published on the commission's website.
2. In contrast to GSSAs, GSSPs are based on important events and transitions within a particular stratigraphic section.
3. Both GSSPs were ratified in 1984 . : " See main articles on Cefn-cerig Road and Trefawr Track ."
4. Ages that have a tilde ( ~ ) prefix are approximate ages for GSSPs that have not been defined or not been accurately dated.
5. Since GSSPs require well-preserved sections of rock without interruptions in sedimentation, and since most are defined by different stages of animal life, defining them becomes progressively more difficult as one goes further back in time.
6. It's difficult to find gssps in a sentence. 用gssps造句挺难的
7. GSSAs, and the generally more recent and preferred benchmark GSSPs are defined by the International Commission on Stratigraphy ( ICS ) under the auspices of their parent organization, the International Union of Geological Sciences ( IUGS ), and are used primarily for time dating of rock layers older than 630 million years ago, lacking a good fossil record.