diagenesisdiageneticdiagenetic cyclediagenetic facies or facies or facies or diageneticdiagnosticdiagnostic fossildiagnostic mineraldiagonal beddingdiagonal brace or angle brace or angle bracediagonal bracingdiagonal bucklingdiagonal buckling of webdiagonal divertersdiagonal faultdiagonal flowdiagonal joints or diagonal joint or diagonal jointdiagonal laminationdiagonal silldiagonal stiffenerdiagonal stratificationdiagonal turbinediagonal–slip faultdiagrammatic mapdialdial gaugedial or a or busdiallagediallagitedialled calls or dialled call or dialled calldialogite or dialogite or dialogitedialysisdiameterdiameter ratiodiamictdiamictitediamond bitdiamond coring bitdiamond cutdiamond drillingdiamond or boart or boart or booartdiamond structurediaoyudaoitediapausediaphaneitydiaphorite or brongniardite or brongniarditediaphragm walldiaphthoritediapir or mud diapir or mud diapirdiapire or diapirism or diapirismdiapiric fold or diapir or diapir