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  • Hornfels - Wikipedia
    Hornfels is the group name for a set of contact metamorphic rocks that have been baked and hardened by the heat of intrusive igneous masses and have been rendered massive, hard, splintery, and in some cases exceedingly tough and durable [1]
  • 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 Common temperatures for the formation of hornfels range from about 1300 to 1450 degrees Fahrenheit (700 to 800 degrees Celsius)
  • Hornfels Rock Formation, Properties, Uses and Occurrence - Geology Science
    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 It forms when magma heats other rock, which may be igneous, metamorphic, or sedimentary
  • 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 is a metamorphic rock formed when magma heats and recrystallizes the original rock
  • Hornfels - ALEX STREKEISEN
    Hornfels Today this name is widely used for a group of compact, highly metamorphosed contact rocks, typically found in inner aureoles It derives from an ancient term used by miners in Saxony (Germany) for hard compact rocks of various origins, characterised by their horny appearance and conchoidal to subconchoidal fracture, and commonly
  • 30 Facts About Hornfels
    Hornfels is a fascinating type of metamorphic rock, but what makes it so special? Hornfels forms through contact metamorphism, where heat from magma bakes surrounding rocks, transforming them without melting This process creates a dense, fine-grained rock with unique properties
  • Hornfels - an overview | ScienceDirect Topics
    Hornfels is medium-to-coarse crystalline metamorphic rocks formed out of contact metamorphism, dark color, and rich in silicates with granoblastic and porphyroblastic texture They consist of andalusite, garnet, and cordierite as major minerals and quartz, feldspar, biotite, muscovite, and pyroxene as a characteristic mineral
  • 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
  • Geology - rocks and minerals - University of Auckland
    Hornfels is a metamorphic rock formed by the contact between mudstone shale, or other clay-rich rock, and a hot igneous body, and represents a heat-altered equivalent of the original rock This process is termed contact metamorphism
  • Hornfels - Rock Identifier
    Hornfels is the name of a group of attractive-looking crystalline metamorphic rocks primarily used in architecture as beautification stones — they are used for interior floors, facades, and or pavings





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