trough cross-bedding

См. также в других словарях:

• Cross-bedding — Crossbedding of sandstone near Mt. Carmel road, Zion Canyon, indicating wind action and sand dune formation prior to formation of rock (NPS photo by George A. Grant, 1929) …   Wikipedia

• Beacon sandstone — The Beacon sandstone is a geological formation exposed in Antarctica and deposited from the Devonian to the Triassic ( Ma|400| Ma|225Verify source|date=April 2008). The sandstone was originally described as a formation, and upgraded to group and… …   Wikipedia

• Tumblagooda sandstone — The Tumblagooda sandstone is a geological formation deposited during the Silurian or Ordovician periods, around four to five hundred million years ago, and is now exposed on the west coast of Australia, straddling the boundary of the Carnarvon… …   Wikipedia

• Newton Saint Loe SSSI — Infobox SSSI name=Newton Saint Loe aos=Avon interest=Geological gridref=ST715657 area=2.26 hectare notifydate=1992 http://www.natureonthemap.org.uk/map.aspx? ] Newton Saint Loe SSSI (gbmapping|ST715657) is a geological Site of Special Scientific… …   Wikipedia

• Newton St Loe SSSI — Newton St Loe Site of Special Scientific Interest …   Wikipedia

• Ripple marks — Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah …   Wikipedia

• List of rock textures — This page is intended to be a list of rock textural and morphological terms. A * Adcumulate * Agglomeritic * Adamantine a type of lustre * Amygdaloidal * Anhedral * Antitaxial veins * Aphanitic * Aplitic; aplite * Augen textured gneiss *… …   Wikipedia

• Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …   Universalium

• Pétrologie sédimentaire — Sédimentologie La sédimentologie (ou pétrologie sédimentaire) est une branche de la géologie qui étudie les processus de formation des roches sédimentaires. Sommaire 1 Intérêts 2 Disciplines associées 3 Sédimentologie de faciès …   Wikipédia en Français

• Sedimentologie — Sédimentologie La sédimentologie (ou pétrologie sédimentaire) est une branche de la géologie qui étudie les processus de formation des roches sédimentaires. Sommaire 1 Intérêts 2 Disciplines associées 3 Sédimentologie de faciès …   Wikipédia en Français

• Sédimentologie — La sédimentologie (ou pétrologie sédimentaire) est une branche de la géologie qui étudie les processus de formation des roches sédimentaires. Sommaire 1 Intérêts 2 Disciplines associées 3 Sédimentologie de faciès …   Wikipédia en Français