The Ordovician Magnetostratigraphy and Cyclostratigraphy: A Review [PDF]
Acta Geologica Sinica - English Edition, 2019 Wout Krijgsman +9 more
openaire +3 more sources
New linguloid shells from Lower Ordovician and Middle Palaeozoic rocks of New South Wales [PDF]
, 1964 Harold O. Fletcher
openalex +1 more source
Some silicified Middle Ordovician brachiopods from Kentucky [PDF]
, 1967 Robert B. Neuman
openalex +1 more source
The Calvin 28 cryptoexplosive disturbance, Cass County, Michigan: Evidence for impact origin [PDF]
The Calvin 28 cryptoexplosive disturbance is an isolated, nearly circular subsurface structure of Late Ordovician age in southwestern Michigan. The structure is defined by 107 wells, is about 7.24 km in diameter and consists of a central dome, an annular
Milstein, Randall L.
core +1 more source
A new Notostracan genus from the Ordovician of Siberia
, 1936 Benjamin F. Howell, Teiichi KOBAYASHI
openalex +2 more sources
Hydrochemical Evolution of Karst Groundwater and Mining-Induced Activation Effects in a Coal Mining Area: A Case Study from the Tengxian Coalfield, China. [PDF]
ACS OmegaTian B +5 more
europepmc +1 more source
The Cambrian-Ordovician Stratigraphic Column of Southeastern Newfoundland
, 1926 Benjamin F. Howell
openalex +2 more sources
Teiichispira, a new Early Ordovician gastropod genus [PDF]
, 1968 Ellis L. Yochelson, Clive R. Jones
openalex +1 more source
Paleoenvironmental reconstruction of the Middle Ordovician Majiagou Formation in the northeastern Ordos Basin and its effect on organic matter enrichment. [PDF]
Sci RepWang Y, Wang X, Liu W, Zhang T, Zhang D.
europepmc +1 more source