Sandstone, limestone and mudstone, illustration. Three types of rocks and their microscopic structure. At centre is a specimen of limestone, formed from the compaction of calcium-containing shells. At right is a similar type rock formation, showing lime mud with the outline of shells seen in the rock. At left is a sample of a sandstone, formed from the compaction of grains of sand (mostly quartz). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / MICHAEL LONG |
Bildgröße: | 5197 px × 3633 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |