Wind erosion of limestone cliffs in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, May 20, 2016
Erosion of the edge of limestone cliffs in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Erosion of a rock formation on a tabletop hill in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
Firedot lichen Xanthocarpia crenulatella (Caloplaca crenulatella) on erosion control stones in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Duck-like red sandstone erosion below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Erosion of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Morel-like red sandstone erosion below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Wind erosion of limestone cliffs in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
Erosion forms of limestone on a rock shelter at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
White sands and sandstone erosions below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Sandstone erosion below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Erosion of soft limestone in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
Erosion of limestone slabs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
Erosion of limestone near Gray s Arch. Red River Gorge, Kentucky, November 6, 1999.
Sandstone erosion below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
White sands and sandstone erosions below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Erosion forms of limestone in a rock shelter at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
Sandstone erosion below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Unidentified construction, may be for melting of copper near the Timna cliffs in western Timna Park. White sand is result of erosion of the cliffs. The Middle East, April 25, 2001
Erosion of beach limestone in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 14, 2015
Erosion of limestone cliffs in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Limestone erosion forms at Koomer Ridge Trail. Red River Gorge, Kentucky, November 7, 1999.
Soil erosion in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
Erosion of rocks in Makhtesh Ramon (crater). The Middle East, October 18, 2001
Erosion of a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
View of limestone erosion from a trail along a western slope of Mount Yoash, 4 miles north-west from Eilat. The Middle East, January 17, 2002
Tree roots and erosion forms on a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
Mushroom-like limestone erosion forms at Koomer Ridge Trail. Red River Gorge, Kentucky, November 7, 1999.
Erosion of a stone hill in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 14, 2015
Limestone erosion in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
Erosion of limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
Erosion of limestone near Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
Erosion of a limestone formation on a plateau of a tabletop mountain in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Erosion of an orange limestone formation in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Erosion of an edge of a tabletop hill in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Erosion formation with sharp corners in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
Limestone wind erosion on the tabletop hill in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 29, 2016
Firedot lichen (Caloplaca) on stones for road erosion control in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Sand erosion on a road in a pine forest near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
Small Nolanea mushroom on exposed soil of a trail suffered from erosion on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
Soil erosion in a pine forest between Lembolovo and Orekhovo, north from Saint Petersburg. Russia, May 11, 2021
Erosion of oak logs on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
Erosion of sandy soil on a road in a pine forest near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
Erosion of sandy soil under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
Erosion of a sandy road in a pine forest near Orekhovo, north from Saint Petersburg. Russia, September 28, 2025
