All else equal, when these types of forts were in use, was an adobe fort or a palisade fort more defensible?
A bit of what-if led to this question. Russians ostrogs such as Nizhnekamchatsk and Fort Ross had palisade perimeters while Spanish presidios such as Tubac and Santa Barbara had adobe perimeters. The two empires never battled (at least in the Americas) even though their most remote forts fell within about 100km of each other. Sample (not necessarily representative) images follow: