In particular, specific processes exist that challenge the view of sedimentation of fine particles from volcanic plumes and that are currently poorly understood: particle aggregation and gravitational instabilities. (sciencedaily.com)
Moy et al (2002) present the record of sedimentation in a South American lake shown below (panel b)-- which is strongly influenced by Pacific Ocean variability. (watertechbyrie.com)
Griffith, T.W. and Anderson, J.B., 1989, Climatic control on sedimentation in bays and fjords of the northern Antarctic Peninsula: Marine Geology, v. 85, p. 181 - 204. (waisworkshop.org)