Principles and fossils by Richard Martinez https://padlet.com/3033941/qg8b34kp036m Principle of en-us 2018-01-23 16:29:52 UTC 2023-05-18 13:46:08 UTC hello@padlet.com Principle of Uniformitarianism 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223864885  "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]]> 2018-01-23 16:32:42 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223864885 Principle of Superstition 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223866827 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 16:35:29 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223866827 Principle of original Horizontality 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223868193 states that layers of sediment are originally deposited horizontally under the action of gravity ]]> 2018-01-23 16:37:24 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223868193 rinciple of original lateral continuity 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223869455  that layers of sediment initially extend laterally in all directions; in other words, they are laterally continuous]]> 2018-01-23 16:39:16 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223869455 Principle of cross-cutting relationships 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223870766 is a principle of geology that states that the geologic feature which cutsanother is the younger of the two features]]> 2018-01-23 16:41:06 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223870766 Principle of inclusions 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223871587 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, ]]> 2018-01-23 16:42:17 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223871587 Mold & cast fossils 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223872937 Organisms buried in sediment may decay or dissolve away leaving a cavity or mold]]> 2018-01-23 16:44:34 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223872937 Petrified fossil 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223873673 when minerals replace all or part of an organism. Water is full of dissolved minerals]]> 2018-01-23 16:45:46 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223873673 Footprint and trackway fossil 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223874952  is 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 16:47:57 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223874952 Coprolite fossil 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223876400 Coprolites are classified as trace fossils as opposed to body fossils, as they give evidence for the animal's behaviour]]> 2018-01-23 16:50:21 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223876400 Whole body or trace fossils 3033941 https://padlet.com/3033941/qg8b34kp036m/wish/223877697  is any preserved remains, impression, or trace of any once-living thing from a past geological age]]> 2018-01-23 16:51:55 UTC https://padlet.com/3033941/qg8b34kp036m/wish/223877697