Results 311 to 320 of about 147,685 (356)
Some of the next articles are maybe not open access.

Was Permian magmatism in the eastern Songnen and western Jiamusi massifs, NE China, related to the subduction of the Mudanjiang oceanic plate?

Geological Journal, 2020
This paper presents new zircon U–Pb ages and Hf isotope data, and whole‐rock major and trace element geochemical data of Permian igneous rocks from the eastern Songnen Massif (SM) and the western Jiamusi Massif (JM), NE China, to constrain their tectonic
Xin–yu Long   +4 more
semanticscholar   +1 more source

Mercury evidence of intense volcanic effects on land during the Permian-Triassic transition

Geology, 2019
The Siberian Traps large igneous province (STLIP) was the likely trigger for the ca. 252 Ma latest Permian mass extinction (LPME), but direct evidence for global volcanic effects on land remains rare. Here, we used mercury (Hg) enrichments, a proxy for
Jun Shen   +9 more
semanticscholar   +1 more source

Permian of Myanmar

Journal of Asian Earth Sciences, 2002
Abstract Permo-Triassic carbonates with minor basal clastics cover extensive tracts of the Shan Plateau in the eastern part of Myanmar. These carbonates are grouped into the Permian Thitsipin Limestone Formation and the Late Permian–Early Triassic Nwabangyi Dolomite Formation.
Nyunt Htay, Thura Oo, Tin Hlaing
openaire   +2 more sources

Carboniferous and Permian integrative stratigraphy and timescale of North China Block

Science China. Earth Sciences, 2022
Boheng Shen   +14 more
semanticscholar   +1 more source

Persistent late Permian to Early Triassic warmth linked to enhanced reverse weathering

Nature Geoscience, 2022
Cheng Cao   +8 more
semanticscholar   +1 more source

The composition of Permian seawater

Geochimica et Cosmochimica Acta, 1991
Forty-nine brine inclusions in marine halite from the Ochoan Salado Formation in the Delaware Basin and fifteen inclusions in halite from the Leonardian Wellington Formation in the Kansas Basin were extracted, and their chemical compositions were determined.
Thomas J. Friedman   +3 more
openaire   +3 more sources

The Permian of China [PDF]

open access: possible, 1995
The first question concerning the Permian of China is, “Where in the world…?” Agreement is general that China consists of a maze of blocks or terranes, amalgamated along complex sutures and fold belts (Fig. 1). There is, understandably, considerably less agreement on where they originated and their history of amalgamation (Table 1).
openaire   +1 more source

Upper Permian Stratigraphy of West Texas Permian Basin [PDF]

open access: possibleAAPG Bulletin, 1935
By comparing the Upper Permian stratigraphy of West Texas and Oklahoma it is found that the Whitehorse of Oklahoma is equivalent to the lower evaporites of the southern basin and that the Permian of the Oklahoma Quartermaster is equivalent to the Yates sand. Formations above the Yates in the southern basin are younger than any of the Oklahoma or Kansas
openaire   +1 more source

The Permian in India

AAPG Bulletin, 1925
The general geographic provinces of India are named, the formations are shown in a table, the permian formations are briefly described, the presence of coal is noted, the widespread glaciation indicated, and the possibility of oil in the Permian discussed.
openaire   +2 more sources

The Biostratigraphy of Permian Palynofloras

Proceedings of the Annual Meeting. American Association of Stratigraphic Palynologists, 1970
Abstract Classical paleobotanical theory separates the floras of the Permian Period into four distinctive provinces: (1) the Gondwanian; (2) the Angaran; (3) the Ca‐thaysian; and (4) the Euramerican. These floras are based on the stem and leaf remains which are the chief preservable macroscopic parts of plants.
openaire   +1 more source

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