نتایج جستجو برای: gondwana

تعداد نتایج: 1142  

Journal: :geopersia 2013
tahereh habibi mehdi yazdi saina zarepoor mahnaz parvanehnejad shirazi

well exposed famennian, mainly carbonate rocks of the bahram formation in the vicinity of bagher abad village, central iran,yielded chondrichthyan teeth some sarcopterygii and actinopterygii teeth and fragments. three different genera were recognizedamong the chondrichthyan teeth represented by: phoebodus turnerae, ph. spp., deihim mansureae (m2, m3), stethacanthus sp..acanthodian and sarcopter...

2017
Arun K. Yadav Andreas Schmidt-Rhaesa Limatemjen

Three horsehair worms (Nematomorpha) are recorded from Nagaland, India. The first species is Chordodes combiareolatus, which was recently described from Nagaland. The second is Chordodes cf. furnessi, earlier reported from Meghalaya, and some new observations are added. The third is a new species, described as Beatogordius nagalandissp. n. This is the first report of the genus Beatogordius in I...

2009
JUAN CARLOS CISNEROS AKIKO TSUJI

The Middle Permian Tapinocephalus Assemblage Zone in South Africa has produced a rich record of tetrapods domi− nated by dinocephalian therapsids and pareiasaurid para− reptiles. In this study we reassess the affinities of a specimen from this horizon previously identified as a procolophonoid and provide evidence that it is instead referable to a nyctero− leter parareptile, an identification th...

Journal: :Journal of the Geological Society 2014

Journal: :Nature Communications 2015

2015
I. Metcalfe R. S. Nicoll M. Schmitz J. Crowley

Twenty-eight new high-precision Chemical Abrasion Isotope Dilution Thermal Ionisation Mass Spectrometry U-Pb zircon dates for tuffs in the Sydney and Bowen Basins are reported. Based on these new dates, the Guadalupian-Lopingian/Capitanian-Wuchiapingian boundary This is an author-produced, peer-reviewed version of this article. The final, definitive version of this document can be found online ...

Journal: :Journal of Geophysical Research: Solid Earth 2018

Journal: :Geological Magazine 2021

Abstract New detrital U–Pb zircon ages from the Sanandaj–Sirjan metamorphic zone in Zagros orogenic belt allow discussion of models late Neoproterozoic to early Palaeozoic plate tectonic evolution and position Iranian microcontinent within a global framework. A total 194 valid age values 362 grains were obtained three garnet-micaschist samples. The most abundant population included Ediacaran ag...

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