Category:Geology of Falls Park

Media in category "Geology of Falls Park"

The following 178 files are in this category, out of 178 total.

Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 1.jpg 4,020 × 2,848; 7.41 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 2.jpg 4,288 × 2,848; 8.42 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 3.jpg 4,035 × 2,750; 8.12 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 4.jpg 4,288 × 2,848; 9.24 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 5.jpg 4,288 × 2,848; 9.4 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 6.jpg 4,288 × 2,848; 8.33 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 7.jpg 4,288 × 2,848; 8.47 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 4,288 × 2,848; 9.17 MB
Cross-bedding (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 9.jpg 4,288 × 2,848; 8.85 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 1.jpg 3,008 × 2,000; 4.79 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 10.jpg 3,008 × 2,000; 4.44 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 11.jpg 3,008 × 2,000; 4.39 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 2.jpg 3,008 × 2,000; 5.2 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 3.jpg 3,008 × 2,000; 4.05 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 4.jpg 3,008 × 2,000; 4.33 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 5.jpg 3,008 × 2,000; 4.68 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 6.jpg 3,008 × 2,000; 4.84 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 7.jpg 3,008 × 2,000; 4.07 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 3,008 × 2,000; 4.6 MB
Fluvial polish (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 9.jpg 3,008 × 2,000; 3.89 MB
Percussion cone & percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 1.jpg 4,288 × 2,848; 8.29 MB
Percussion cone & percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 2.jpg 4,288 × 2,848; 8.16 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 10.jpg 4,288 × 2,848; 8.35 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 11.jpg 4,288 × 2,848; 8.28 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 12.jpg 4,288 × 2,455; 7.08 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 13.jpg 4,288 × 2,848; 8.23 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 14.jpg 4,288 × 2,848; 9.18 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 15.jpg 4,288 × 2,848; 9.1 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 16.jpg 4,288 × 2,848; 7.83 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 17.jpg 4,288 × 2,848; 9.26 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 18.jpg 4,108 × 2,848; 7.42 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 19.jpg 4,288 × 2,848; 8.12 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 2.jpg 4,000 × 3,000; 6.79 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 20.jpg 4,005 × 2,848; 8.22 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 21.jpg 4,288 × 2,848; 9.4 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 3.jpg 4,000 × 3,000; 7.83 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 4.jpg 4,000 × 3,000; 7.63 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 5.jpg 4,000 × 3,000; 7.7 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 6.jpg 4,000 × 3,000; 7.88 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 7.jpg 4,288 × 2,848; 8.51 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 4,288 × 2,848; 8.68 MB
Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 9.jpg 4,288 × 2,848; 8.46 MB
Percussion marks in Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 960 × 590; 459 KB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 10.jpg 3,648 × 2,736; 5.73 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 11.jpg 3,648 × 2,736; 5.94 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 12.jpg 3,648 × 2,736; 5.95 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 13.jpg 3,614 × 2,540; 7.19 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 3.jpg 3,008 × 2,000; 4.76 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 4.jpg 3,008 × 2,000; 4.59 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 5.jpg 3,008 × 2,000; 4.88 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 6.jpg 3,008 × 2,000; 4.92 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 7.jpg 2,807 × 2,000; 4.66 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 3,008 × 2,000; 4.35 MB
Ripples marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 9.jpg 3,008 × 2,000; 4.8 MB
Ripples marks in Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA).jpg 960 × 588; 502 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Dell Rapids, South Dakota, USA) 1.jpg 2,898 × 2,322; 5.63 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Dell Rapids, South Dakota, USA) 2.jpg 2,919 × 2,399; 6.57 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Dell Rapids, South Dakota, USA) 3.jpg 3,239 × 2,602; 7.97 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Dell Rapids, South Dakota, USA) 4.jpg 3,757 × 2,056; 6.59 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Dell Rapids, South Dakota, USA) 5.jpg 3,140 × 1,778; 4.53 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 1.jpg 960 × 631; 372 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 10.jpg 4,000 × 3,000; 6.15 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 100.jpg 2,000 × 3,008; 3.78 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 101.jpg 3,008 × 1,547; 3.52 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 102.jpg 3,008 × 2,000; 5.34 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 103.jpg 3,008 × 2,000; 4.52 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 104.jpg 3,008 × 2,000; 4.63 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 105.jpg 3,008 × 2,000; 5.38 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 11.jpg 4,000 × 3,000; 7.5 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 110.jpg 2,000 × 2,542; 3.84 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 111.jpg 3,008 × 2,000; 4.67 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 112.jpg 3,008 × 2,000; 4.5 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 116.jpg 3,008 × 2,000; 4.61 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 117.jpg 3,008 × 2,000; 4.29 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 118.jpg 2,000 × 3,008; 4.08 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 119.jpg 3,008 × 2,000; 4.61 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 12.jpg 4,288 × 2,848; 6.81 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 120.jpg 3,648 × 2,736; 7.26 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 121.jpg 3,648 × 2,576; 8.22 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 122.jpg 3,648 × 2,736; 6.66 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 125.jpg 3,648 × 2,736; 6.82 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 127.jpg 3,648 × 2,736; 6.25 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 128.jpg 3,648 × 2,736; 6.83 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 129.jpg 3,648 × 2,736; 6.13 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 13.jpg 4,288 × 2,474; 6.08 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 130.jpg 3,648 × 2,556; 5.07 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 131.jpg 3,648 × 2,531; 4.93 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 136.jpg 3,648 × 2,736; 5.95 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 14.jpg 4,288 × 2,848; 9.2 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 15.jpg 4,288 × 2,848; 8.8 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 16.jpg 4,288 × 2,848; 8.71 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 17.jpg 4,288 × 2,848; 7.99 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 18.jpg 4,288 × 2,848; 9 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 19.jpg 4,288 × 2,599; 8.33 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 2.jpg 960 × 635; 458 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 20.jpg 4,288 × 2,848; 8.67 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 21.jpg 4,288 × 2,848; 8.51 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 22.jpg 4,288 × 2,503; 7.28 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 23.jpg 4,288 × 2,848; 7.43 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 24.jpg 4,288 × 2,848; 7.16 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 25.jpg 4,288 × 2,848; 7.15 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 26.jpg 4,288 × 2,848; 7.74 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 27.jpg 4,288 × 2,848; 7.75 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 28.jpg 4,288 × 2,848; 8.54 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 29.jpg 4,288 × 2,848; 7.87 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 3.jpg 960 × 635; 480 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 30.jpg 4,288 × 2,848; 7.84 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 31.jpg 4,288 × 2,848; 7.51 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 32.jpg 4,288 × 2,848; 7.35 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 33.jpg 3,915 × 2,848; 6.83 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 34.jpg 4,127 × 2,848; 7.85 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 35.jpg 4,288 × 2,848; 7.4 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 36.jpg 4,288 × 2,848; 7.49 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 37.jpg 4,288 × 2,848; 8.62 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 38.jpg 4,288 × 2,848; 7.71 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 39.jpg 4,288 × 2,848; 7.87 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 4.jpg 518 × 958; 466 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 40.jpg 4,000 × 3,000; 6.51 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 41.jpg 4,000 × 3,000; 7.62 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 42.jpg 4,000 × 3,000; 7.8 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 43.jpg 4,288 × 2,848; 7.25 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 44.jpg 4,288 × 2,505; 6.44 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 45.jpg 4,288 × 2,848; 8.64 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 46.jpg 4,288 × 2,848; 8.34 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 47.jpg 4,176 × 2,658; 7.35 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 48.jpg 3,834 × 2,848; 6.95 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 49.jpg 4,288 × 2,848; 9.18 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 5.jpg 682 × 960; 510 KB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 50.jpg 4,288 × 2,848; 9.3 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 51.jpg 4,288 × 2,848; 9.05 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 52.jpg 4,288 × 2,848; 8.26 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 53.jpg 4,288 × 2,848; 7.47 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 54.jpg 4,288 × 2,848; 8.05 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 55.jpg 4,288 × 2,848; 7.85 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 56.jpg 2,000 × 2,695; 4.64 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 57.jpg 2,945 × 2,000; 5.39 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 58.jpg 3,008 × 2,000; 4.53 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 59.jpg 3,008 × 1,544; 4.04 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 6.jpg 4,000 × 3,000; 7.42 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 60.jpg 3,008 × 1,622; 3.85 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 61.jpg 3,008 × 2,000; 4.47 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 62.jpg 3,008 × 2,000; 5.32 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 63.jpg 3,008 × 2,000; 3.82 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 64.jpg 2,000 × 2,353; 3.04 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 65.jpg 3,008 × 1,389; 3.53 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 66.jpg 3,008 × 2,000; 4.44 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 67.jpg 3,008 × 2,000; 4.39 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 68.jpg 3,008 × 2,000; 4.17 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 69.jpg 2,000 × 3,008; 4.1 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 7.jpg 4,000 × 3,000; 7.16 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 70.jpg 3,008 × 2,000; 4.54 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 71.jpg 2,000 × 2,690; 4.08 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 72.jpg 3,008 × 1,928; 4.44 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 73.jpg 3,008 × 2,000; 4.52 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 74.jpg 2,819 × 1,947; 4.92 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 75.jpg 3,008 × 1,856; 4.01 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 76.jpg 2,808 × 1,629; 3.94 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 77.jpg 2,000 × 2,900; 3.93 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 78.jpg 2,000 × 2,271; 3.42 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 8.jpg 4,000 × 3,000; 6.66 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 81.jpg 3,008 × 2,000; 4.54 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 82.jpg 3,008 × 1,730; 4.05 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 85.jpg 3,008 × 2,000; 4.13 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 86.jpg 3,008 × 2,000; 4.5 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 87.jpg 3,008 × 1,600; 3.78 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 88.jpg 3,008 × 1,879; 4.63 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 89.jpg 3,008 × 1,780; 4.23 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 9.jpg 4,000 × 3,000; 6.2 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 90.jpg 2,000 × 2,346; 3.74 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 91.jpg 2,000 × 2,300; 3.83 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 92.jpg 3,008 × 2,000; 4.28 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 93.jpg 3,008 × 1,655; 4.18 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 94.jpg 3,008 × 2,000; 4.3 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 95.jpg 3,008 × 1,629; 4.14 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 96.jpg 2,298 × 1,623; 2.96 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 97.jpg 3,008 × 2,000; 4.31 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 98.jpg 3,008 × 2,000; 4.68 MB
Sioux Quartzite (Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 99.jpg 3,008 × 2,000; 7.59 MB