Septarium
Esquema
Jerarquía
<materials by composition> > inorganic material > rock > sedimentary rock > <sedimentary rock by form> > concretionary stone
Descripción
A large, generally spheroidal concretion, usually made of impure limestone or clay ironstone, having polyhedral blocks that are internally cemented together by crystalline minerals.
URI original del concepto
Otros términos
- septaria [es]
- 龜背石 [zh]
- septariën [nl]
- guī bēi shí [zh]
- gui bei shi [zh]
- kuei pei shih [zh]
- septaria [en]
- beetle stone [en]
- boulder, septarian [en]
- nodule, septarian [en]
- septarian boulder [en]
- septarian nodule [en]
- stone, beetle [en]
- stone, turtle [en]
- turtle stone [en]
- 龜甲石 [zh]