andean orogeny造句

• The sediments accumulated in the Abanico Extensional Basin within a context of the Andean orogeny.
• This caused the Andean orogeny in the Miocene and uplift of the Eastern Cordillera in the Pliocene.
• The formation is thrusted on top of younger strata by the reverse Bogot?Fault during the Andean orogeny.
• The onset of Andean orogeny first caused the basin to rise and dry up with red beds being deposited in its eastern part.
• Low angle subduction or flat-slab subduction has been common during the Andean orogeny leading to crustal shortening and deformation and the suppression of arc volcanism.
• The Sierras de C髍doba where the effects of the ancient Pampean orogeny can be observed, owes it modern uplift and relief to the Andean orogeny in the Tertiary.
• The fold and thrust belt of the Eastern Hills was produced by the Andean orogeny with the main phase of tectonic compression and uplift taking place in the Pliocene.
• The APVC area before the upper Miocene was largely formed from sedimentary layers of Ordovician to Miocene age and deformed during previous stages of Andean orogeny, with low volume volcanics.
• At the latitudes of 32 36?S  that is Central Chile and most of Mendoza Province the Andean orogeny proper began in the Late Cretaceous when backarc basins were arc volcanism occurred east of the Andes.
• As the Andean orogeny went on, South America drifted away from Antarctica during the Cenozoic leading first to the formation of an isthmus and then to the opening of the Drake Passage 45 million years ago.
• Based on zircon and apatite fission track data, the uplift between the Early Miocene to Pliocene was slow, subsequently followed by a period of increased tectonic uplift in the last phases of the Andean orogeny.
• Changes in the subduction activity 12-10 mya caused a shortening and thickening of the crust in the central Andes and the formation of melt zones in the deeper crust, associated with the Quechua phase of Andean orogeny.