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NUOVE MICROFACIES DEL TRIAS SUPERIORE NELLE BRECCE Dl MONTE GALERO (ALPI MARITTIME)

2020; University of Milan; Volume: 90; Issue: 1 Linguagem: Inglês

10.54103/2039-4942/13334

2039-4942

Giorgio Dallagiovanna, Alberto Lualdi, S. Mosna,

Geological formations and processes

Late Triassic new microfacies are described from the Maritime Alps. They are contained in lithoclasts from the Brecce of M. Galero Formation. The Foraminifera Glomospirella friedli Kristan Tollmann and Agathammina austroalpina Kristan—Tollmann & Tollmann indicating a Late Triassic age were identified. The sedimentary features document a shallow—water, high energy environment with some redeposited particles. An intrabasinal derivation from Prepiemontese (Case Tuberto, Arnasco— Castelbianco) or Brianzonese units is suggested.