{"version":"1.0","type":"link","title":"Slate - Newikis","description":"Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic rock. Foliation may not correspond to the original…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/f/f4/Slate_%28Knife_Lake_Formation%2C_metamorphism_at_2.7_Ga%2C_Neoarchean%3B_Rt._135_roadcut%2C_Gilbert%2C_Minnesota%2C_USA%29_3_%2823140002749%29.jpg/1280px-Slate_%28Knife_Lake_Formation%2C_metamorphism_at_2.7_Ga%2C_Neoarchean%3B_Rt._135_roadcut%2C_Gilbert%2C_Minnesota%2C_USA%29_3_%2823140002749%29.jpg","thumbnail_width":1280,"thumbnail_height":960}