Fond rocheux (50%) Gravier (30%) Sable (10%) Limon (5%) Petit rocher (5%) Fond rocheux (40%) Sable (30%) Gravier (15%) Limon (10%) Petit rocher (5%)

Translate to English.
Sand (5%) Bedrock (50%) Gravel (30%) Sand (10%) Silt (5%) Small Boulder (5%) Bedrock (40%) Sand (30%) Gravel (15%) Silt (10%) Small Boulder (5%)