What does "cone-in-cone" mean?

Consisting of a series of parallel cones, each made up of many concentric cones closely packed together or with each other. Cone-in-cone structures sometimes appear in sedimentary rocks like calcite or more rarely gypsum, siderite or pyrite.

Cone-in-cone

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Consisting of a series of parallel cones, each made up of many concentric cones closely packed together or with each other. Cone-in-cone structures sometimes appear in sedimentary rocks like calcite or more rarely gypsum, siderite or pyrite. not-comparable

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.