disturbance+of+strata
21dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
22Dinosaur paleobiogeography — is the study of dinosaur geographic distribution, based on evidence in the fossil record. Late Cretaceous North America Centrosaurus apertus. Thomas M. Lehman, in a study of Late Cretaceous dinosaur distribution, concluded that they were… …
23Northern Bald Ibis — Adult Conservation status …
24Des Plaines crater — The Des Plaines crater or Des Plaines disturbance is recognized as an impact crater in Illinois, United States. It is located beneath the eastern part of the city of Des Plaines, which is a suburb of Chicago.[1][2] It is 5.5 miles (8.9 km)… …
25Ruffed lemur — Taxobox name = Ruffed lemursMSW3 Groves|pages=Varecia|id=12100059] image caption = Black and white Ruffed Lemur ( Varecia variegata ) regnum = Animalia phylum = Chordata classis = Mammalia ordo = Primates subordo = Strepsirrhini familia =… …
26Rossi-Forel scale — The Rossi Forel scale was one of the first seismic scales to reflect earthquake intensities. Developed by Michele Stefano Conte de Rossi of Italy and François Alphonse Forel of Switzerland in the 1800s, it was used for about two decades until the …
27renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… …
28Unconformability — Un con*form a*bil i*ty, n. 1. The quality or state of being unconformable; unconformableness. [1913 Webster] 2. (Geol.) Lack of parallelism between one series of strata and another, especially when due to a disturbance of the position of the… …
29Harz — Mountains redirects here. For the district of the same name, see Harz (district). Harz Range Country Germany …
30Concretion — For other uses, see enterolith and nodule (geology). Septaria redirects here. For the genus of gastropods, see Septaria (gastropod). Concretions on Bowling Ball Beach (Mendocino County, California) weather out of steeply tilted Cenozoic mudstone… …
