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Hornfels - Wikipedia
WEBHornfels 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 - Geology.com
WEBWhat is Hornfels? 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.
What Hornfels Is and How It Forms - ThoughtCo
WEBMay 30, 2018 · Hornfels is a type of metamorphic rock that gets its name from its resemblance to animal horn. Hornfels forms when magma heats other rock, which may …
Hornfels Rock Formation, Properties, Uses and Occurrence
WEBApr 23, 2023 · Hornfels is a fine grained metamorphic rock and It is the group for a series 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.
ALEX STREKEISEN-Hornfels-
WEBA hard, compact contact-metamorphic rock of any grain size, dominantly composed of silicate + oxide minerals in varying proportions, with a horny aspect and a subconchoidal to jagged fracture. The typical mineralogy of hornfels with different protoliths varies with metamorphic facies. Hornfels are split into:
Hornfels facies | Metamorphic, Sedimentary & Igneous | Britannica
WEBAll 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 | Encyclopedia.com
WEBMay 21, 2018 · Hornfels is a fine-textured metamorphic rock formed by contact metamorphism . Contact metamorphism occurs when a mass of hot magma intrudes into preexisting rock , whether by injecting itself into a crack …
Metamorphic Rocks | Pictures of Foliated and Non-Foliated Types
WEBExamples of nonfoliated rocks include: hornfels, marble, novaculite, quartzite, and skarn. Photographs and brief descriptions of some common types of metamorphic rocks are shown on this page.
Hornfels – Purdue Arboretum Explorer
WEBHornfels. Part of the EASP Geology Walk Hornfels is a metamorphic rock formed by a special type of metamorphism called contact metamorphism. This means that a rock (clay rich in this case) comes into contact with an igneous intrusion so the rock heats up but no pressure is exerted.
Hornfels | rock | Britannica
WEBIn metamorphic rock: Hornfels. The hornfels are formed by contact metamorphism and typically show little sign of the action of directed pressure. They are fine-grained rocks in which crystals display little orientation. Read More.