Results 21 to 30 of about 33,629 (250)
Ages from the “Mogod Formation” of the Permian–Triassic igneous rocks in the Sayan–Baikal belt, northern Mongolia [PDF]
Late Paleozoic–Early Mesozoic volcano-plutonic rock unit at the southern margin of the Sayan–Baikal belt, Mongolia is a significant factor in understanding the Paleozoic–Mesozoic arc system along the Siberian continental margin.
NURAMKHAAN, Manchuk +4 more
core +1 more source
During the Palaeozoic Era, plants conquered the land and covered greater and greater areas from coastal lowlands to highlands. Palaeobotanical data based on macroremains from Polish Palaeozoic strata complete and enrich the picture of these processes ...
Grzegorz Pacyna, Maria Barbacka
doaj +1 more source
Stratigraphy, sedimentary environment and geochemistry of the Ruteh Formtaion in Qharkhotlou region, south-west of the Zanjan [PDF]
The Ruteh Formation in the Qharkhotlou region (southwest of Zanjan) mainly consists of 52 m sandy limestones and cream to grey thin to medium-bedded limestones.
Farzaneh Nouri Nav +3 more
doaj +1 more source
Background. Changes in the composition of clastic material reflect changes in both the paleogeographic environment and clast transport paths. In turn, this indicates changes in the conditions of regional development.
N. A. Orlova, M. V. Orlov
doaj +1 more source
Trace Fossils in Permian Rocks of English Riviera UNESCO Global Geopark [PDF]
The Permian breccias, conglomerates and sandstones of the English Riviera UNESCO Global geopark were deposited in quite harsh, desert environments just north of the Permian Equator.
Malcolm Hart, Christopher Smart
doaj +1 more source
Postoperative care of symphysiotomy performed for severe shoulder dystocia with fetal demise
Background: Shoulder dystocia is an obstetric emergency which occurs in 0.2–3% of all births ACOG Committee on Practice Bulletins-Obstetrics and The American College of Obstetrician and Gynecologists (2002) .
Joy Anderson +2 more
doaj +1 more source
The Permian source rocks in the southern depression of the South Yellow Sea Basin have been proved to be fair-good source rocks. Based on the analysis of recent Paleozoic oil and gas exploration and research results, the thermal evolution and hydrocarbon
Qian CAO +6 more
doaj +1 more source
Microfacies, depositional environment, sequence stratigraphy and diagenetic process affected the Doroud Formation in the Eram Section (south Neka), north flank of central Alborz [PDF]
The Permian deposits (Doroud Formation) are exposed in a wide area of central Alborz. A stratigraphic section of Permian deposits in the Eram section (South Neka) has been selected for the study of facies, depositional environments, sequence stratigraphy,
Hamideh Noroozpour
doaj +1 more source

