rectifier stationrectilinear coordinatesrectimarginaterectiradiaterectorite or smectite or smectite or tarasoviterecumbent foldrecurrence intervalrecurrentrecurrent foldingrecurring polynyarecursionrecurverecurved spit or hook or hook or hooked spitred algae or red algaes or red algaesred bedsred clay or brown clay or brown clayred cobaltred copper orered dogred hematite or hematite or hematitered iron orered leadred manganesered mudred orered rockred schorlred silver orered tidered vitriol or bieberite or bieberitered zincreddingitereddle or red ocher or red ocherredialredingtoniteredledgeiteredrillingredruthite or chalcocite or chalcociteredstonereduced mud or black mud or black mudreducerreducing flamereductionreduction indexreduction sphereredundantredundant beamredundant constraintredundant forceredundant reaction
