Padlet: Sedimentary Principals and Fossils by Jacquilyn Payne https://padlet.com/305794/hq7bh04ktxhj Made with an aura of mystery en-us 2018-01-23 18:20:16 UTC 2018-01-23 18:41:13 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Ring.png Principle of uniformitarianism 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223933752 Definition: defined in the authoritative Glossary of Geology as "the fundamental principle or doctrine that geologic processes and natural laws now operating to modify the Earth's crust have acted in the same regular manner and with essentially the same intensity throughout geologic time

]]> 2018-01-23 18:25:36 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223933752 Principle of superposition 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937301  known as superposition property, states that, for all linear systems, the net response caused by two or more stimuli is the sum of the responses that would have been caused by each stimulus individually. ]]> 2018-01-23 18:30:52 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937301 Principle of original horizontality 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937331 The Principle of Original Horizontality states that layers of sediment are originally deposited horizontally under the action of gravity .]]> 2018-01-23 18:30:55 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937331 Principle of original lateral continuity 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937344 The principle of lateral continuity states that layers of sediment initially extend laterally in all directions; in other words, they are laterally continuous.]]> 2018-01-23 18:30:57 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937344 principle of cross-cutting relationships 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937379  a principle of geology that states that the geologic feature which cutsanother is the younger of the two features]]> 2018-01-23 18:31:01 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937379 Footprints and Trackways Fossils 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937407 a type of trace fossil, a trackway made by an organism. Many fossil trackways were made by dinosaurs, early tetrapods, and other quadrupeds and bipeds on land. ]]> 2018-01-23 18:31:04 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937407 Mold and Cast fossils 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937430 Organisms buried in sediment may decay or dissolve away leaving a cavity or mold.]]> 2018-01-23 18:31:07 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937430 Petrification Fossils 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937451 the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals.]]> 2018-01-23 18:31:10 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937451 Principle of inclusions 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937478 a restatement of Charles Lyell's original principle of inclusions and components from his 1830 to 1833 multi-volume Principles of Geology, which states that, with sedimentary rocks, if inclusions (or clasts) are found in a formation, then the inclusions must be older than the formation that contains them.]]> 2018-01-23 18:31:12 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937478 Coprolites Fossils 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937503 A coprolite is fossilized feces.]]> 2018-01-23 18:31:14 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937503 Whole Body or True Form Fossils 305794 https://padlet.com/305794/hq7bh04ktxhj/wish/223937524 a fossil of the whole/entire body of the organism, like an actual animal or animal part. ]]> 2018-01-23 18:31:16 UTC https://padlet.com/305794/hq7bh04ktxhj/wish/223937524