Depth, cm      %
            carbonate
     8        44.8
    12        41.4
    16        40.6
    20         40
    24        41.7
    28        40.3
    32         40
    36        39.9
    40        40.2
    44        37.7
    48        36.3
    60        29.1
    64        27.5
    68        23.3
    72        21.5
    76        23.7
    80        23.4
    84        19.3
    88        21.2
    92         11
    96         6.7
    104        5.8
    108         6
    112        6.8
    116        7.8
    120        6.9
    124        7.5
    128        6.3
    136        6.9
    140        4.3
    144        4.7
    148        6.8
    152         7
    156        7.2
    160        4.1
    164         5
    168        5.7
    172         7
    176        6.8
    180        7.5
    184        8.8
    188        9.9
    192        11
    196       11.1
    200       10.8
    204       11.4
    208       13.7
    212        15
    216       11.5
    220       10.9
    224        9.6
    228        12
    232        9.2
    236       10.1
    240        8.3
    244        8.9
    248        6.6
    252        6.6