Vein of Greenstone in Clay Slate from Charlestown, MassachusettsAn Octopus Devours a ShipTrap Dyke in Sandstone from East Haven, ConnecticutAnthracite in Greywacke Slate from Newport, Rhode IslandVibrio tritci (nemotode worms)Granite Veins in a Boulder from Westhampton, MassachusettsCoal Basin in Ashby Wolds, Leicestershire, EnglandStrata
