rock-flint
71porcellanite — ▪ rock also spelled porcelanite hard, dense rock that takes its name from its resemblance to unglazed porcelain. Frequently porcellanite is an impure variety of chert containing clay and calcareous matter; when of this nature it is… …
72óóhkotok — rock; synonyms (n) boulder, calculus, pillar, gem, jewel, concretion, (v) jar, sway, cradle, jolt, shake, toss, waver, quake, pitch, reel, roll, swing, totter, wobble, careen, vacillate, wag, stagger, agitate, oscillate, (adj) pebble, stone,… …
73List of people from Michigan — A list of notable people from the U.S. state of Michigan. Bolding indicates places in Michigan. People from Michigan are sometimes referred to as Michiganders, Michiganians, or more rarely as Michiganites. Actors, entertainers and… …
74Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …
75List of Heroes characters — From left to right: Micah, Niki, Nathan, Peter, Noah, Claire, Hiro, Mohinder, Matt, Sylar This is a list of fictional characters in the television series Heroes …
76List of World Beer Cup awards — The World Beer Cup, known as The Olympics of Beer Competition [1], is one of several major international beer competitions.[2] It was founded by Association of Brewers President Charlie Papazian. The World Beer Cup is held every two years. The… …
77Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …
78Detroit — Motor City redirects here. For other uses, see Motor City (disambiguation). This article is about the city in Michigan. For other uses, see Detroit (disambiguation). Detroit …
79Chert — For the Spanish municipality, see Xert. Chert Chert (  / …
80The Prodigy — Infobox musical artist | Name = The Prodigy Img capt = Img size = 200px Background = group or band Alias = Origin = Braintree, Essex, England Genre = Electronic, Rave, Big Beat, Electropunk, Hardcore, Breakbeat, Industrial, Alternative rock Years …
