Biogenic structures in exhumed surfaces around saline
Section snippets Geological setting. Lake Bogoria is a shallow, perennial, saline (60–100 g − l Total Dissolved Salts: TDS), alkaline (pH: ~ 10–10.5) lake with Na–HCO 3 –CO 3 waters located in a young half-graben basin in the Kenya Rift Valley near the equator (Fig. 1). Sodium carbonate evaporites and organic muds are preserved …