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.
What Hornfels Is and How It Forms - ThoughtCo
May 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 be igneous, …
Hornfels Rock Formation, Properties, Uses and Occurrence
Apr 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.
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 | Encyclopedia.com
May 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 …
Hornfels – Purdue Arboretum Explorer
Hornfels. 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 …
Hornfels | rock | Britannica
In 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.
Metamorphic Rocks | Pictures of Foliated and Non-Foliated Types
Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition. It is produced by contact metamorphism. Hornfels is a rock that was "baked" while near a heat source such as a magma chamber, sill, or dike. The specimen shown above is about two inches (five centimeters) across.
Hornfels: Mineral information, data and localities.
About Hornfels Hide. A fine-grained metamorphic rock composed of a mosaic of equidimensional grains without preferred orientation and usually formed by contact metamorphism. Porphyroblasts or relict phenocrysts may be present in the granoblastic matrix.
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