Early Permian
Palaeoenvironment of the Darlington Limestone (Early Permian)Tasmania
... The Early Permian Darlington Limestone in the Tasmania Basin consists of fossiliferous mudstone, siltstone and impure limestone.. It was deposited in a somewhat restricted basin with upl[r] ...
18
Early Permian glacio-marine thecamoebian assemblages from the northwest Himalayas, India
... Most early work on the geology of this region considered the Manjir Formation to be of Late Proterozoic age on the basis of its lithology and regional stratigraphy (Sehgal, 1965; Rattan, ...definite Early ...
16
Orthacanthus platypternus (Cope, 1883) (Chondrichthyes: Xenacanthiformes) teeth and other isolated vertebrate remains from a single horizon in the early Permian (Artinskian) Craddock Bonebed, lower Clear Fork Group, Baylor County, Texas, USA
... the early Permian (Artinskian) Craddock Bonebed, lower Clear Fork Group, Baylor County, Texas, ...lower Permian (Artinskian) Craddock Bonebed in Texas, ...
16
Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
... 9 mm skull length located just anterior to and within the mouth and in the trunk, respectively. Boy (1993) and Boy & Sues (2000) reported Early Permian speci- mens of A. caducus (Ammon, 1889) from the ...
5
Modeling the physiology of the aquatic temnospondyl Archegosaurus decheni from the early Permian of Germany
... to early Permian sediments of successive, usually short-lived (10–1000 years), intermon- tane lakes within the Variscan mountain belt and yielded a large number of fossil vertebrates like bony and carti- ...
23
Evolving mantle sources in postcollisional early Permian Triassic magmatic rocks in the heart of of Tianshan Orogen (western China)
... of early Permian volcanic rocks with Triassic mafic dikes (Figure 1) (Chen et ...these Permian vol- canic rocks are well mapped and documented, most studies are con- fined to those of early ...
13
Discovery of Early Permian Palynomorphs from the Manjir Formation, Chamba District, Himachal Pradesh
... The samples were firstly crushed to small pieces and treated with concentrated hydrofluoric acid for three days followed by concer~trated nitric acid treatment for five to[r] ...
5
Late Carboniferous Early Permian (Ghzelian Artinskian) Palynomorphs
... Taeniate pollen grains are known to make their first appearance in the Moscovian (e.g., in the Donets Basin; compare Inosova et al., 1976) but the observed diverse assemblages appea[r] ...
13
Reinvestigation of Protelytron permianum (Insecta; Early Permian; USA) as an example for applying reflectance transformation imaging to insect imprint fossils
... The subsequent prerequisites were assumed: (1) there is a main folding line running between AA1 and the main stem of AA2, and from which diverge ra- diating folds (“1st transverse fold” [r] ...
7
Reconstructing Early Permian tropical climates from chemical weathering indices
... Plots of A-CN-K A, M+-4Si-R2+ B, AF-CNK-M C, and R3+/R3++R2++M+-Δ4Si% D for sedimentary rock samples from cores Zk1401 and Zk0901 showing chemical weathering trend of the average upper c[r] ...
34
Early Permian Carbonitidae (Ostracoda): ontogeny, a nity, environment and systematics
... The distribution of carbonitids is variable both laterally and vertically within the Eskridge pond. There is no evidence of pooling of specimens in the lysorophid burrows or of the accumulation of specimens at ...
12
GEOCHRONOLOGIC AND ISOTOPIC INVESTIGATION OF THE KOIPATO FORMATION, NORTHWESTERN GREAT BASIN, NEVADA: IMPLICATIONS FOR LATE PERMIAN-EARLY TRIASSIC TECTONICS ALONG THE WESTERN U.S. CORDILLERA
... the Early or Middle Pennsylvanian to the late Early Permian is inferred to have occurred along a left-lateral strike-slip fault system (Burchfiel and Davis, 1981; Walker, 1988; Stone and Stevens, ...
163
Assembling the history of the Parareptilia: phylogeny, diversification, and a new definition of the clade
... Despite the increased focus on parareptiles in recent years, the ingroup relationships of nearly all pararepti- lian clades are still poorly understood. In particular, there is a lack of fossils from Early ...
11
Rakotosolofo, Nicolas A. (2004): Palaeozoic and Mesozoic Palaeomagnetism of South America: Results from Peru, Bolivia, Argentina, and Brazil.. Dissertation, LMU München: Fakultät für Geowissenschaften
... The La Antigua Formation was sampled on both limbs of a gently folded structure exposed in Sierra Brava (location BRA, Fig. 9.1). Shallowly NE and SW dipping beds (6°-24°) of reddish fine-grained sandstone, yellowish to ...
189
A Combined Geochemical and Fluid Inclusion Study of the Hongyan Cu-Polymetallic Deposit in the Eastern Hegenshan-Heihe Suture Zone, NE China: Implications for Petrogenesis, Tectonic Setting and Mineralization
... the Early Permian A- and I-type granites commonly occurs along the HHSZ ...the Early Permian I-type granites near the central HHSZ were generated by partial melting of mantle-derived basaltic ...
34
Magma fertility related to Au - Cu mineralisation: evaluating the potential for linked porphyry Cu - Au deposits at depths, North Queensland, Australia
... an Early Permian volcanic suite of north-eastern Australia in Chapter 2, I assess cryptic fractionation processes involved in generating the volcanic rocks suites, and the use of geochemical proxies as ...
122
Neoproterozoic and post-Caledonian exhumation and shallow faulting in NW Finnmark from K–Ar dating and p/T analysis of fault rocks
... yielded early Carboniferous (intermediate fraction) and early Permian (finest fraction) ages (Table 2), while cohesive fault rocks along this fault are characterized by both quartz- and calcite-rich ...
29
Interesting Papers in Other Journals
... RAJEEV UPADIIYAY and others: Firs1 find of the Early Permian Lower Gondwana plant remains and palynornorphs from the Chhongtash Formation (Upper Shyok valley), easte[r] ...
5
Permian plume beneath Tarim from receiver functions
... the Permian basalts in ...the Permian basalts suggests that both may be effects of the same ...the Permian, extends to a depth of 410 km or ...the Permian is less by an order of ...
7
Stratigraphic significance of carbon isotope variations in the shallow-marine Seis/Siusi Permian Triassic boundary
... The main extinction event in the latest Permian, re- cognisable in several P– T boundary sections (e.g., Meishan, China: Yin et al. 2001; Abadeh, Jolfa, Shahre- za, Zal, all Iran: Kozur 2007), occurs abruptly at ...
9