Page 212 - Handbook of Gold Exploration and Evaluation

Table 3.8 Regolith terminology (after Butt and Anand, 1997)

Alternative terminologies
Broad General terms Butt and Nahon and French CSIRO
subdivision Zeegers (1992) Tardy (1992)

Pedolith Ferruginous soil Soil Soil Sol ferrallitique Soil
[Latosol]
Ferruginous zone Lateritic gravel Pebbly ferruginous Lateritic gravel
[Laterite] layer
[Lateritic ironstone] Cuiresse (pisolitic, Indurated Culrasse Lateritic duricrust
nodular, massive) conglomeratic iron [Ferricrete] (pisolitic, nodular,
[Plinthite] crust massive, vermiform,
fragmental)
Soft nodular crust Carapce nodulaire
Mottled zone Mottled (clay) zone Mottled (clay) zone Argilos tachete ¨ es Mottled zone
Plasmic/arenose Plasmic/arenose
horizon horizon
Collapsed and/or
bracciated saprolite
Saprolith Saprolite [Pallid Saprolite Fine saprolite Lithomarge Ferruginous saprolite
zone] Argiles bariole ¨ es Clay saprolite
Saprolite
Saprock Coarse saprolite Alte ¨ ration pistache Saprock
Are © ne/grus
Protolith Bedrock Unweathered/fresh Bedrock Roche mere Fresh rock
Unweathered rock bedrock
Descriptive terms: (); Informal or equivocal terms: []