Concretion
Category
Natural History / Geology
Date
1929
Materials
Iron, Sand
Measurements
370 mm (Length)255 mm (W)45 mm (H)
Place of origin
Milani
Collection
Tatton Park, Cheshire
NT 1303887.5
Summary
One of six desert concretions of sand and iron from the Libyan Desert in Sudan displayed in an original white painted tray. Collected 1929. Associated label. Part of Lord Egerton's collection of ethnographic objects once displayed in the Tenants' Hall.
Provenance
Collected by Lord Egerton in the Libyan Desert, between Milani and Mirga, 1929.
Marks and inscriptions
Associated label. Desert Concretions. (SAND and IRON). Iron ores and silica are brought to the surface in arid areas by capillary attraction, and on the evaporation of the water in which they were dissolved they are deposited around the grains of the sand, which is hardened and compacted. Sudan Libyan Desert. Between Milani and Mirga.