Fig. 4
From: Fluorescent analyses of sediments and near-seabed water in the area of the WW2 shipwreck “Stuttgart”

A sample photo of dried sediment (from an automated particle analyser).
From: Fluorescent analyses of sediments and near-seabed water in the area of the WW2 shipwreck “Stuttgart”
A sample photo of dried sediment (from an automated particle analyser).