Other crossword clues for answer "STRATA"STRATALevels of societyRock layersRock groupsUnderground bands?LayersGeologic layersLayers in bedsGeologist's layersRock bands?Geological layersThey're observed in rock coringsFeatures seen in rock coresSocial classes, e.g.Archaeological layersParallel layersRock bedsLayers studied by archaeologistsLevelsEarth layersLayers of materialSedimentary rock bedsSedimentary rock layersLayer upon layerCloud layersShale featuresCoal layersLayers of rockGeological levelsShale layersSome roots of rockHorizontal sections.Geological beds.Geological beds of sedimentary rock.Laminae.Social levels.Air levels.Geologist's concern.Geologist's find.Social divisionsSocial classesClass levelsSheetsGeologists' studiesGeological formationsEchelonsStacked bedsSheets of rockTiersSocial ___Layers of rock, e.g.Layers, as in geology classBed layers?Layers studied by geologistsThey're one atop anotherBracketsSocietal levels