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Halite Pseudomorphs in Shale, Colorado
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Titre: Halite Pseudomorphs in Shale, Colorado
Légende: Voir la traduction automatique
Shale is a sedimentary rock, created by the compaction of thick layers of clay deposited at the bottom of a lake or ocean. In marine (salt water) or salt lake environments, a dry period can expose the depositing wet clay (mud) to evaporation; evaporation of salt water can allow cube-shaped salt (halite) crystals to form within the mud. Although these crystals may later re-dissolve, their imprint is sometimes found preserved in the hardened claystone. In this case the clay is a 'pseudomorph' (false-form) of the original halite crystals.
Shale is a sedimentary rock, created by the compaction of thick layers of clay deposited at the bottom of a lake or ocean. In marine (salt water) or salt lake environments, a dry period can expose the depositing wet clay (mud) to evaporation; evaporation of salt water can allow cube-shaped salt (halite) crystals to form within the mud. Although these crystals may later re-dissolve, their imprint is sometimes found preserved in the hardened claystone. In this case the clay is a 'pseudomorph' (false-form) of the original halite crystals.
Crédit: Album / Science Source / JOEL AREM
Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 3855 × 2553 px | 28.2 MB
Taille d'impression: 32.6 × 21.6 cm | 1517.7 × 1005.1 in (300 dpi)
