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Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, 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.
Sep 15, 2023 · Flint is a naturally occurring sedimentary rock composed primarily of microcrystalline quartz, or silicon dioxide (SiO2). It is renowned for its historical significance and multifaceted uses throughout human history.
FLINT definition: 1. (a piece of) shiny grey or black stone that is like glass 2. (a piece of) stone or metal used in…. Learn more.
Flint is a hard, tough chemical or biochemical sedimentary rock that breaks with a conchoidal fracture. It is a form of microcrystalline quartz that is typically called "chert" by geologists. Flint often forms as nodules in sedimentary rocks such as chalk and marine limestones.
Flint is a high-quality variety of chert, a biochemical sedimentary rock made of cryptocrystalline quartz. It is very hard, with characteristic conchoidal fracturing that makes it exceptionally useful for the creation of tools like arrowheads. Flint comes in many colors but is usually dark gray or black.
Sep 18, 2022 · For nearly 40 years, the Flint Children's Museum has enjoyed supporting the development of every child through hands on learning and experiences. The Flint Children's Museum remains dedicated in continuing…
Flint, or flintstone, is a kind of sedimentary rock, made of silica. Bands of flint are found embedded in chalk and other kinds of soft limestone . When the chalk is eroded , the hard flint nodules survive as pebbles on a shingle beach .
flint, very fine-grained quartz (q.v.), a silica mineral with minor impurities. Several varieties are included under the general term chert: jasper, chalcedony, agate (qq.v.), flint, porcelanite, and novaculite. Read More; composition. In radiolarian. Silica deposits, such as flint, chert, and the abrasive tripoli, originate from radiolarian ...
Visiting Flint. Flint has an array of attractions for a variety of visitor. Wonder at the ruins of Flint Castle, which was the first of Edward I’s formidable ring of castles along the North Wales coast. Imagine it in its heyday when it served to assert his authority across the surrounding area.
