Sakmarianadj.
/sakˈmarɪən/ Geology.
Name of a stage in the Lower Permian; of or pertaining to this stage and the rocks that characterize it, and the geological age during which they were deposited. Frequently absol.
ΘΚΠ
the world > the earth > structure of the earth > age or period > [adjective] > primary or Palaeozoic > specific Permian period
Sakmarian1936
the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Permian > specific
ponent1858
Sakmarian1936
1936 V. E. Ruzhentsev in Problemȳ Sovetskoï Geologii VI. 506 The upper Carboniferous is overlain in complete conformity by the Permian system which begins with Schwagerina beds. The writer defines by the name Sakmarian the whole of the deposits with Schwagerina princeps Ehr. and with the Ammonoid fauna described for the first time from the Sakmara river... The Sakmarian consists of sandy-argillaceous beds among which there are many conglomerates.
1960 Bull. Geol. Soc. Amer. 71 1766/2 It is now the official usage of the Geological Survey of the U.S.S.R. to draw the base of the Permian below the Sakmarian and equivalent beds in the Ufa Plateau.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation i. 20 Lakes and marshes are known in the northern hemisphere which were contemporaneous with the Stephanian and Sakmarian glaciers of the Southern hemisphere.
1974 Nature 8 Feb. 396/1 McLachlan and Anderson have recorded orthocerid nautiloids, the brachiopod Attenuatella, [etc.]..from the base of the succession near Kimberley. They favoured a Sakmarian age for this marine incursion.
This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2022).
<
adj.1936