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The Cretaceous (IPA: / k r ɪ ˈ t eɪ ʃ ə s / krih-TAY-shəss) [2] is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest.
Typical broken fulgurite sections. Fulgurites (from Latin fulgur 'lightning' and -ite), commonly called "fossilized lightning", are natural tubes, clumps, or masses of sintered, vitrified, or fused soil, sand, rock, organic debris and other sediments that sometimes form when lightning discharges into ground.
Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, [1] [2] categorized as the variety of chert that occurs in chalk or marly limestone. Historically, flint was widely used to make stone tools and start fires. Flint occurs chiefly as nodules and masses in sedimentary rocks, such as chalks and limestones.
The Lynch site, whose known extent is at least 690 acres (280 ha) has an estimated 20,000 pits from which flint was quarried. The pits range in depth from 3 to 10 feet (0.91 to 3.05 m), and are accompanied by spoil piles. It is located on the banks Spring Creek, a tributary of the Knife River. [8]
Ancient Egyptian flint Bracelet (MET 23.2.14 EGDP011486) Flint jewelry was known in the prehistoric, protodynastic, and early dynastic periods of ancient Egypt. Ancient Egyptians skillfully made bracelets [1] [2] and armlets [3] [4] out of flint. The flint came from locations that include Giza and Upper Egypt. [5]
Flint fields (German: Feuersteinfelder) are large natural deposits of flint.They are found in numerous Jurassic and Cretaceous beds across the whole of Europe. [1]Such deposits may be found in Aachen-Lousberg, Kleinkems, Schernfeld, Osterberg bei Pfünz, Baiersdorf, Abensberg-Arnhofen and Lengfeld as well as the German island of Rügen.
An eccentric flint is an elite chipped artifact of an often irregular ('eccentric') shape produced by the Classic Maya civilization of ancient Mesoamerica. [1] Although generally referred to as "flints", they were typically fashioned from chert , chalcedony and obsidian .
Derek Flint is a fictional world adventurer and master spy featured in a series of movies and comic books. Flint, a parody of James Bond and Doc Savage , is an agent for Z.O.W.I.E. (Zonal Organization World Intelligence Espionage).