Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
History
Page
Photomicrographs of feldspathic (L) and lithic (R) greywacke. The top images are in plane-polarized light; the bottom images are in cross-polarized li
Photomicrographs of feldspathic (L) and lithic (R) greywacke. The top images are in plane-polarized light; the bottom images are in cross-polarized light. Cements fill the pore spaces.
Closeup of Pharaoh Menkaure's greywacke statue, 25th century BCE, from the Egyptian Museum in Cairo
Closeup of Pharaoh Menkaure's greywacke statue, 25th century BCE, from the Egyptian Museum in Cairo
A greywacke rock
A greywacke rock
Example of greywacke cliffs, Mangaweka, Nthrn.Manawatu, New Zealand
Example of greywacke cliffs, Mangaweka, Nthrn.Manawatu, New Zealand
Page
Cut slab of sandstone
Cut slab of sandstone
Alcove in the Navajo Sandstone
Alcove in the Navajo Sandstone
Kokh-type tombs cut into the multicoloured sandstone of Petra
Kokh-type tombs cut into the multicoloured sandstone of Petra
Sand grains of quartz with hematite coating providing an orange colour
Sand grains of quartz with hematite coating providing an orange colour