Carboniferous rocks from North Karakorum display sharp lateral variations in lithology and thickness suggesting accumulation in half-grabens during continental rifting between the Karakorum block and northern Gondwana. Different Carboniferous successions, belonging to distinct tectonic units, have been detected. Thin, poorly fossiliferous successions of arenites and crinoidal limestones contrast with very thick terrigenous-carbonate successions comprising two distinct fossiliferous horizons. The lower fossiliferous horizon yielded brachiopods (Pustula sp., Rhipidomella sp., Choristites sp., Martiniopsis sp., Afghanospirifer sp., Gypospirifer sp., Composita sp.) of Bashkirian age. The upper fossiliferous horizon, lying about 90 m above the former, contains corals, crinoids and brachiopods (Densepustula cf. losarensis, Dowhatania sulcata n. sp., Brachythyris sp., Rhipidomella sp., Septacamera dowhatensis, Alispirifer middlemissi) of Moscovian to Kasimovian age. The Carboniferous brachiopods of North Karakorum are similar to those collected in the Late Carboniferous of Central Afghanistan, Himalaya (Manang, Spiti, Tibet), and Lhasa Block (Xainza area).

Angiolini, L., Brunton, H., Zanchi, A. (1999). Late Carboniferous brachiopods from Karakorum, Pakistan. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA, 105(1), 3-22 [10.13130/2039-4942/5363].

Late Carboniferous brachiopods from Karakorum, Pakistan

ZANCHI, ANDREA MARCO
Ultimo
1999

Abstract

Carboniferous rocks from North Karakorum display sharp lateral variations in lithology and thickness suggesting accumulation in half-grabens during continental rifting between the Karakorum block and northern Gondwana. Different Carboniferous successions, belonging to distinct tectonic units, have been detected. Thin, poorly fossiliferous successions of arenites and crinoidal limestones contrast with very thick terrigenous-carbonate successions comprising two distinct fossiliferous horizons. The lower fossiliferous horizon yielded brachiopods (Pustula sp., Rhipidomella sp., Choristites sp., Martiniopsis sp., Afghanospirifer sp., Gypospirifer sp., Composita sp.) of Bashkirian age. The upper fossiliferous horizon, lying about 90 m above the former, contains corals, crinoids and brachiopods (Densepustula cf. losarensis, Dowhatania sulcata n. sp., Brachythyris sp., Rhipidomella sp., Septacamera dowhatensis, Alispirifer middlemissi) of Moscovian to Kasimovian age. The Carboniferous brachiopods of North Karakorum are similar to those collected in the Late Carboniferous of Central Afghanistan, Himalaya (Manang, Spiti, Tibet), and Lhasa Block (Xainza area).
Articolo in rivista - Articolo scientifico
Brachiopods; Correlations; Karakorum; Late Carboniferous; Geology; Stratigraphy; Paleontology
English
1999
105
1
3
22
none
Angiolini, L., Brunton, H., Zanchi, A. (1999). Late Carboniferous brachiopods from Karakorum, Pakistan. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA, 105(1), 3-22 [10.13130/2039-4942/5363].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/130305
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