https://padlet.com/3047321/l642c6rk1sou Made with a bold sensibility en-us 2018-01-23 20:17:35 UTC 2023-05-28 17:56:01 UTC hello@padlet.com 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224000227 The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time.]]> 2018-01-23 20:20:03 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224000227 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224002447 In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the earth's surface, with internally consistent characteristics that distinguish it from other layers.]]> 2018-01-23 20:24:59 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224002447 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224005119 an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.

]]> 2018-01-23 20:31:18 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224005119 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224006326 the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock]]> 2018-01-23 20:33:54 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224006326 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224006961 the time taken for the radioactivity of a specified isotope to fall to half its original value.]]> 2018-01-23 20:35:25 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224006961 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224007452 a method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample.

]]> 2018-01-23 20:36:29 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224007452 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224008649 another term for carbon dating]]> 2018-01-23 20:39:29 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224008649 3047321 https://padlet.com/3047321/l642c6rk1sou/wish/224009805 radioactive decay. The spontaneous transformation of an unstable atomic nucleus into a lighter one, in which radiation is released in the form of alpha particles, beta particles, gamma rays, and other particles]]> 2018-01-23 20:42:17 UTC https://padlet.com/3047321/l642c6rk1sou/wish/224009805