Dr Yoav Eytam

Geomorphological Research

Field notes on the 
GEOMORPHOLOGY,  HYDROLOGY and ARCHAEOLOGY
Between CAPE AGULHAS and CAPE INFANTA

Chapter D – Calcrete

D. duricrusts - Calcrete, silcrete and ferricrete

Contents

D1. Pedocretes
D2. Calcretes
D2a. Calcrete on the Bokkeveld Formations
D2b. Calcrete on the Enon Formation
D2d. Calcrete on the Bredasdorp Plain
D2e. Calcrete in the Ou Werf Valley
D2f. Calcrete root tubules
D2g. Calcrete as conglomerate cement
D2h. Calcrete dissolution features
D2i. Calcrete spatial distribution
D3. Silcretes and ferricretes – Overview
D4a1. Pedogenic silcretes – A. Occurrences (outcrops) – Overview
D4a2.- Pedogenic silcretes – B. Capped elevations
D4a3. Pedogenic silcretes – C. Hill cap habits
D4a4. Pedogenic silcretes – D. Multi-habit hilltops
D4a5. Pedogenic silcretes – E. Hilltop boulders
D4a6. Pedogenic silcretes – F. Hillslope boulders
D4a7. Pedogenic silcretes – G. Hilltop castles
D4a8. Pedogenic silcretes – H. Hilltop castles and other features
D4a9. Pedogenic silcretes – I. Hilltop silicified shale castles
D4a10. Pedogenic silcretes – J. Hillslope silicified shale features
D4a11. Pedogenic silcretes – K. Textures
D4a12. Pedogenic silcretes – Disintegration and weathering
D4c1. Pedogenic silcretes – hilltop silcretes spatial distribution
D4e. Non-pedogenic silcretes – A. Groundwater
D4f. Non-pedogenic silcretes – B. Drainage lines and rivers
D4g. Non pedogenic silcretes – C. Lakes and pans
D5a. Pedogenic and non-pedogenic ferricretes
D5b. Ferruginised silcretes
D5c. Ferruginised shales and sandstones
D5d. Fault zone ferruginised shales
D5e. Manganese in ferruginised shales
D5f. Ferricrete spatial distribution
D6a. Elim silcretes and ferricretes
D6b. Napier silcretes and ferricretes
D6c. Breede River terraces ferricrete
D6d. Gourikwa Nature Reserve silicified sandstone
D7a. Calcretised landscape morphology – a field guide
D7b. Silcretised landscape morphology
D7c. Ferricretised landscape morphology – a field guide