Friday Field PhotoScienceFriday Field Foto #38: Hawk in PatagoniaScienceFriday Field Foto #37: Ancient submarine channelScienceFriday Field Foto #36: Thrust fault contactScienceFriday Field Foto #35: Pontificating in Bone CanyonScienceFriday Field Foto #34: Austral parakeetsScienceFriday Field Foto #33: Patagonia from spaceScienceFriday Field Foto #32: Load structures in shallow-marine sedimentsScienceFriday Field Foto #31: Deltaic channel-fill depositsScienceFriday Field Foto #30: Cross section in a gravel quarryScienceFriday Field Foto #29: Western Escarpment of the Guadalupe Mountains, west TexasScienceFriday Field Foto #28: Thin-bedded turbiditesScienceFriday Field Foto #27: Cretaceous marine shaleScienceFriday Field Foto #26: Birds on a corral fenceScienceFriday Field Foto #25: Ancient organic detritusScienceFriday Field Foto #24: Conglomerate injectitesScienceFriday Field Foto #23: Flame structuresScienceFriday Field Foto #22: Rip-up clastsScienceFriday Field Foto #21: Climbing ripplesScienceFriday Field Foto #20: Volcanic hillsScienceFriday Field Foto #19: Trough cross-beddingScienceFriday Field Foto #18: Lousy outcropScienceFriday Field Foto #17: Clast imbricationScienceFriday Field Foto #16: Sand injectitesScienceFriday Field Foto #15: Pillow basaltsMore Stories