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1. en.wikipedia.org › wiki › BoxworkBoxwork - Wikipedia

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   Boxwork in Wind Cave, South Dakota. In geology, boxwork is defined as a honeycomb-like structure that can form in some fractured or jointed sedimentary rocks. If the fractures in the host rock are mineralized, they can become more resistant to weathering than the surrounding rock, and subsequent erosion can produce boxwork structures.

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3. www.britannica.com › science › boxworkBoxwork | Cave Structures, Sandstone & Limestone | Britannica

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   Boxwork is a honeycomb pattern of limonite that forms in the cavities left by dissolved sulfide minerals. Learn more about boxwork and other cave structures, sandstone and limestone features from Britannica.

   • Author: The Editors of Encyclopaedia Britannica

4. www.nps.gov › learn › natureBoxwork - Wind Cave National Park (U.S. National Park Service)

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   May 6, 2024 · Boxwork is a honeycomb pattern of thin blades of calcite that project from cave walls and ceilings. Learn how boxwork forms, where it is found, and why it is a mystery of Wind Cave.

5. caves.org › virtualcave › boxworkBoxwork - National Speleological Society

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   Boxwork is a network of thin blades of calcite protruding from cave walls, ceilings, or floors. Learn how boxwork forms, where to see it, and how it differs from other speleothems.

6. www.usgs.gov › media › imagesBoxwork in Wind Cave | U.S. Geological Survey - USGS.gov

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   Jul 10, 2015 · Boxwork is a rare cave formation of calcite crystals in cracks. See photos of boxwork in Wind Cave, the first cave national park and the 6th most extensive cave network in the world.

7. www.usgs.gov › geology-and-ecology-of-nationalGeology of Wind Cave National Park | U.S. Geological Survey

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   Boxwork is a rare and unique feature of Wind Cave, where it is the most well-formed and abundant in the world. Learn how boxwork and other speleothems are formed by calcite crystals in the limestone caves of the Black Hills.

8. People also ask

   Where is boxwork found?

   • Boxwork is found in small amounts in other caves, but perhaps in no other cave in the world is boxwork so well-formed and abundant as in Wind Cave. Boxwork is made of thin blades of calcite that project from cave walls and ceilings, forming a honeycomb pattern. The fins intersect one another at various angles, forming "boxes" on all cave surfaces.

   Boxwork - Wind Cave National Park (U.S. National Park Service)

   www.nps.gov/wica/learn/nature/speleothems-boxwork.htm

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   What is boxwork made of?

   • Boxwork is made of thin blades of calcite that project from cave walls and ceilings, forming a honeycomb pattern. The fins intersect one another at various angles, forming "boxes" on all cave surfaces. Boxwork is largely confined to dolomite layers in the middle and lower levels of Wind Cave. Boxwork is abundant in the cave.

   Boxwork - Wind Cave National Park (U.S. National Park Service)

   www.nps.gov/wica/learn/nature/speleothems-boxwork.htm

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   What is boxwork in a cave?

   • Boxwork is commonly composed of thin blades of the mineral calcite that project from cave walls or ceilings that intersect one another at various angles, forming a box-like or honeycomb pattern. The boxwork fins once filled cracks in the rock before the host cave formed.

   Boxwork - Wikipedia

   en.wikipedia.org/wiki/Boxwork

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   What does a boxwork look like?

   • The boxwork may be spongelike, triangular, pyramidal, diamondlike, or irregular in shape and may be coloured various shades of ochre and orange through dark brown. The colour and shape of the boxwork can sometimes be used to identify the dissolved sulfide minerals. See gossan.

   Boxwork | Cave Structures, Sandstone & Limestone | Britannica

   www.britannica.com/science/boxwork

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9. www.nps.gov › wica › learnSpeleothems (Cave Formations) - U.S. National Park Service

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   Jul 4, 2023 · The speloeothem that Wind Cave is most famous for is boxwork. There are many other formations such as popcorn, frostwork, dogtooth spar crystals, and flowstone that may be seen along the tour routes. Other speleothems that can be seen in the cave, but not on the tour route, are: helictite bushes, calcite rafts, and gypsum features.