Fig. 3: Community composition in cold basaltic basement based on 16S ribosomal RNA gene sequences.
From: Deep microbial proliferation at the basalt interface in 33.5–104 million-year-old oceanic crust
Taxonomic profiles of basaltic rock cores from the South Pacific Gyre are shown as pie charts with major taxonomic groups ranging from genus to phylum. Community composition of a crustal fluid sample at North Pond (Site U1382; 8 Ma) is shown as a pie chart for comparison21.
