WebChert resembles flint; however chert consists of cryptocrystalline (having a crystalline structure so fine that no distinct particles are recognizable under the microscope) quartz or fibrous chalcedony. The key definition of chert is “crystals that are fibrous” and flint is “crystals that are extremely small and porous.” WebExamples of how to use “chert” in a sentence from the Cambridge Dictionary Labs

Chert Definition & Meaning - Merriam-Webster

WebFollowing the definition of van den Boorn et al. (2007), any volcaniclastic-rich chert (silicified tuffs, shales, etc.) is commonly referred to as S-chert and described as resulting from the silicification of a sedimentary precursor. Chert is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a chemical precipitate or a diagenetic replacement, as in petrified wood. Chert is typically composed of the petrified remains of siliceous ooze, the biog… fnmz140

Classification of Sedimentary Rocks - University of Kansas

WebLooking for definition of Chert? Chert explanation. Define Chert by Webster's Dictionary, WordNet Lexical Database, Dictionary of Computing, Legal Dictionary, Medical … WebMissouri Lithic Material. Ranges in color from a light tan to a pale to medium gray. Light mottling or streaking may be present. Barren Fork Chert ranges from a light to medium gray or a tan. Moderately translucent chert that ranges in color from a medium gray to dark bluish gray with brownish mottling and grayish streaks. WebKnapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat-faced stones for … fnmz180 戸車