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  • Hornfels - Wikipedia
    The most common hornfels (the biotite hornfels) are dark-brown to black with a somewhat velvety luster owing to the abundance of small crystals of shining black mica
  • Hornfels: Metamorphic Rock - Pictures, Definition More
    Hornfels is a fine-grained metamorphic rock that was subjected to the heat of contact metamorphism at a shallow depth It was "baked" by heat conducted from a nearby magma chamber, sill, dike, or lava flow
  • Hornfels Rock Formation, Properties, Uses and Occurrence
    Hornfels can be almost any color, but black, gray, brown, reddish and greenish rocks are common It is a type of metamorphic rock that gets its name from its resemblance to animal horn
  • Hornfels - ALEX STREKEISEN
    Today this name is widely used for a group of compact, highly metamorphosed contact rocks, typically found in inner aureoles
  • What Hornfels Is and How It Forms - ThoughtCo
    Hornfels is a hard rock made when magma heats up and changes other rocks Hornfels can be many colors, but dark brown and black are the most common Hornfels rings like a bell when struck, and it is used in architecture and musical instruments
  • Hornfels - Rock Identifier
    Hornfels is a metamorphic rock that is commonly used as a tough but eye-catching material in the building industry It can be used to produce paving and curbstones as well as for indoor tiling
  • Hornfels facies | Metamorphic, Sedimentary Igneous - Britannica
    All of the rocks called hornfels—a hard, fine-grained, flinty rock—are created when heat and fluids from the igneous intrusion alter the surrounding rock, changing its original mineralogy to one that is stable under high temperatures
  • Hornfels Facts - Softschools. com
    Hornfels are a classified group of contact metamorphic rocks that have been baked under high temperatures by the heat of igneous intrusions and as a result, have become massive, splintery, extremely hard, and in some cases exceedingly tough and durable
  • Hornfels - newtonsdisciple. com
    Hornfels is the group designation for a series of contact metamorphic rocks that have been baked and indurated by the heat of igneous intrusions and have been rendered massive, hard, splintery, and in some cases exceedingly tough and durable
  • HORNFELS
    Hornfels are dense, compact, fine-grained, contact metamorphic rocks They typically form as the result of contact metamorphism of shales or basalts Some hornfels have distinctive rounded patches of more coarsely-crystalline material (see dark greenish spheroidal patches in the sample shown below) - such rocks are called spotted hornfels





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