Dear Jahangir
Whilst tsunami deposits in the geological record are commonly represented by layers of sand (or mud) (see Special issue of Sedimentary Geology Volume 200 (3-4), 2007), the high energy waves can transport much higher caliber material, including boulders (see Kennedy et al. in the same issue). The 'issue' is that sand is usually available in large quantities in shallow marine and coastal settings and boulders not.
John
In my opinion, we need not only storm layers whatever grain size they may have but also seismites which formed contemporaneously with the afore-mentioned sediments and that can be identified in the geological record.
All types of sediments are transported either sand , silt or clay.
Paleo studies were done by American experts along Pakistani Makran as well as Omani Makran
Regards
Ijaz
Dear Jahangir
A very good question indeed.
I suggest to read this article:
Article Tsunami inundation, sediment transport, and deposition proce...
Hopefully it will respond well to your question.
All the best for your future endeavours.
Regards
Talha Qadri
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