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Permian stratigraphy, sedimentology and palaeontology of the southern Sydney Basin, eastern Australia - a field excursion guide | Stephen McLoughlin - Academia.edu

Permian stratigraphy, sedimentology and palaeontology of the southern Sydney Basin, eastern Australia - a field excursion guide | Stephen McLoughlin - Academia.edu

During the Early Devonian seen here 400 million years ago land plants evolved the first true leaves and roots. Fish began to diversify greatly leading this period to be nicknamed 'The Age of Fishes'. The first ammonites made their appearance during the early Devonian. It was also a relatively warm time during Earth's history with the continent of Gondwanaland still dominating the south. #science #geology #paleontology #fossils #devonian #continentaldrift #tectonic #earth #earthday2017

During the Early Devonian seen here 400 million years ago land plants evolved the first true leaves and roots. Fish began to diversify greatly leading this period to be nicknamed 'The Age of Fishes'. The first ammonites made their appearance during the early Devonian. It was also a relatively warm time during Earth's history with the continent of Gondwanaland still dominating the south. #science #geology #paleontology #fossils #devonian #continentaldrift #tectonic #earth #earthday2017

Classification of clastic sedimentary rocks, based on grain size: Conglomerate, Breccia, Sandstone, Siltstone, Shale

Classification of clastic sedimentary rocks, based on grain size: Conglomerate, Breccia, Sandstone, Siltstone, Shale

good information here and on website - - - Amazing Geology: Texture of Igneous rocks

good information here and on website - - - Amazing Geology: Texture of Igneous rocks

Progressive formation of an asymmetric fold evolving into a thrust with related ramp anticline.  #ScienzeGeologichePage

Progressive formation of an asymmetric fold evolving into a thrust with related ramp anticline. #ScienzeGeologichePage

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