A septarian concretion is a unique rock formation characterized by its striking cracked or geometric pattern. These formations are composed of a combination of minerals, such as #calcite, #aragonite, #barite, and sometimes #pyrite, encased in a hard outer layer of #limestone or #mudstone.
https://www.geologyin.com/2017/12/what-is-septarian-concretion.html?fbclid=IwY2xjawF6ZotleHRuA2FlbQIxMQABHUlrg-EOtQBG1g5VNbu0cwPxq6jrghNg1XJrh0GHd4ddD7lCpNgQ3kI3Og_aem_vWK47Kt4Nh7FQadUWEPG_w
By #GeologyWonders
#Geology #GeologyPage #Nature #Minerals #Crystals #Gems #Nature #NatureLovers #NaturePhotography #Photographer #RockPorn