RF3B7H335–Fossilized ripple marks. Roda de Isábena, Ribagorza, Huesca, Aragón, Spain.
RF2D8B24R–Fossilized ripple marks in a cliff. There are several layers.
RM2ACH2HA–Shale with fossilized ripple marks
RM2KDNNJW–Fossil sand ripples on a sandstone bedding plane, on a beach near the village of Scarfskerry, near Thurso, Caithness, Scotland, UK
RF2TBHC66–Fossilized ripple marks from the Carboniferous period
RMRG9NMA–. Bulletins of American paleontology. Paleontology. 182 Bulletin 196 LOCALITY K-66. Shale, very silty, light gray; worm markings. Siltstone in smooth even beds up to 3" thick, gray to drab, separated by shale partings up to 1" thick; Taonurus. Siltstone and shale, clayey, drab: Taonurus. Siltstone, drab, evenly bedded, with shale partings. Covered. Shale, clayey, olive to maroon. Shale, black, fissile; soft, weathered to gray brown in upper part. Sandstone, gray to brown; ripple marks. Shale, sandy in upper 6 feet, in irregular beds, light gray to buff; light to medium gray, soft, st
RF3B7H33E–Fossilized ripple marks. Roda de Isábena, Ribagorza, Huesca, Aragón, Spain.
RM2X2X54M–Fossil ripple marks preserved in a slab of sandstone from the Jurassic Navajo formation, southern Utah state, USA. Ripples can be formed by streaming water, but can also be windblown.
RF2SADA0J–Puertollano and its rich geological history: ancient wave ripple marks from the Carboniferous period
RMRDMRN3–. Edinburgh New Philosophical Journal. 426 Index. Remains, organic, in tlie old red sandstone of Fife, 137.—in the coal of Wardle, near Newhaven, 146. Ripple-mark, on, 169. Rippoldsau, on, and its mineral waters, 171. Rodizite, on, a nev mineral species from Russia, 32. Sandstone, old red, on the organic remains found in the, of Fife, 137. Sang, Edward, Esq., his annual report on the state of the useful arts, 262. Schulze, F., his notice of the result of an experimental observation made regarding equivocal generation, 165. St Elmo's fire, notice of, seen in Orkney, 220. St Hilaire, M. Isidore
RF3B7H33K–Fossilized ripple marks. Roda de Isábena, Ribagorza, Huesca, Aragón, Spain.
RM2ACN5BJ–Fossilied ripple marks in a piece of sedimentary rock. The ripples are evidence of flowing waters.
RF2RMW3KM–Ichnites or fossilized footprints of dinosaur and ripple marks. Valdecevillo, Enciso, La Rioja, Spain.
RM2ADFKTJ–Ripple marks on a vertical bedding plane in Silurian sandstone at Marloes Bay, Pembrokeshire, Wales. Ripple marks are the relics of ancient ripples pr
RF2RMW3KB–Ichnites or fossilized footprints of dinosaur and ripple marks. Valdecevillo, Enciso, La Rioja, Spain.
RM2ACJ1C3–Fossilised ripple marks. Cyclic and rhythmic aeolian stratification in a slab of sandstone. Small-scale, fossil ripple structures in a slab of sandsto
RF2RKWMBT–Ichnites or fossilized footprints of dinosaur and ripple marks. Los Cayos, Cornago, La Rioja, Spain.
RF2RMW3YG–Ichnites or fossilized footprints of cocrodile and ripple marks. Virgen del Campo, Enciso, La Rioja, Spain.
RF2T6GH14–Fossilized ripple marks, a sedimentary structure produced by water or wind. This photo was taken in Isona, Lleida province, Catalonia, Spain.
RF2T6GH16–Fossilized ripple marks, a sedimentary structure produced by water or wind. This photo was taken in Isona, Lleida province, Catalonia, Spain.
RF3CK4XN0–Limestone with fossilized ripple marks. This photo was taken in Alto Tajo Natural Park, Guadalajara, Castilla-La Mancha, Spain.
RF2RF47XE–Ripple marks are sedimentary structures that indicate agitation by water. This photo was taken in Isona, Lleida, Catalonia, Spain.
RF2RF47XF–Ripple marks are sedimentary structures that indicate agitation by water. This photo was taken in Isona, Lleida, Catalonia, Spain.
RF2RF47XJ–Ripple marks are sedimentary structures that indicate agitation by water. This photo was taken in Riba de Santiuste, Guadalajara, Castilla-La Mancha,