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  • Name = Rakotondrazafy, Michel(-)
Foliation preserved in saprolite in wall of active lavaka
Fully V-shaped inactive lavaka
Landscape with lavakas of different sizes and stages of evolution
Road cut along sidewall of old, largely inactive stage III lavaka
Largely inactive lavakas on hillslope behind village
Old lavaka complex on hillslope, now mostly inactive
Side view of lavaka shows convex hillslope profile
Undercut saprolite exposed in lavaka sidewall
Down-valley view of long outfall channel
Early stages of erosion in median septum of stage III lavaka
Vegetated narrow outfall in foreground, and view into multi-septate eroded lavaka
Dark patches in pale saprolite represent water seepage in active lavaka wall
Active vertical faces in early stage III lavaka. Blackened surfaces are burnt grasses
Lavakaed landscape
Dual-lavaka complex, with well-developed debris aprons building up the walls