Web21 Mar 2016 · Definition: The Tertiary is a system of rocks, above the Cretaceous and below the Quaternary, that defines the Tertiary Period of geologic time. The Tertiary Period began about 66 million years ago with a mass extinction that ‘clocked’ the dinosaurs and ended when the ice ages of the Quaternary Period began, about 2.6 million years ago. Web2 Oct 2024 · Tertiary care refers to specialized care in a hospital setting such as dialysis or heart surgery. Quaternary care is an advanced level of specialized care. As a patient, you might sometimes hear these terms.

Tertiary deposit - English definition, grammar, …

WebThe Tertiary deposits cover the whole of the central depression, where they are associated with extensive flows of lava and beds of volcanic ash. The tertiary glycols are known as pinacones and are formed on the reduction of ketones with sodium amalgam. Gruidae, cranes, cosmopolitan, allied Phororhacos, Tertiary of Argentina. Web1. a. : of, relating to, or consisting of four units or members. b. : of, relating to, or being a number system with a base of four. 2. capitalized : of, relating to, or being the geologic … trisha greene

TERTIARY English meaning - Cambridge Dictionary

WebSeveral boundary stratotypes have been identified within Tertiary rocks. The Cretaceous -Tertiary, or K-T, boundary has been stratotypified in Tunisia in North Africa. (Increasingly, this boundary is known as the Cretaceous … WebTertiary Cultural Deposits Definition Completely removed from their original context and may have been reused Term Mutual Climactic Range Method Definition Assumes present-day climactic tolerance of each species is the same as in the past. Web2. a. noting or containing a carbon atom united to three other carbon atoms. b. formed by replacement of three atoms or groups. 3. ( cap.) noting or pertaining to the earlier period … trisha greenhalgh