{"thcode":62,"term":{"code":"SC-282","name":"Mud","parent":"SC-277","scope":"Substrate Group: Geologic Substrate surface layer contains no trace of Gravel and is composed of 90% or more Mud (particles less than 0.0625 millimeters in diameter); the remainder (< 10%) is composed of Sand (particles 0.0625 millimeters to < 2 millimeters in diameter)."},"uf":[],"bt":[{"code":"SC-277","name":"Fine Unconsolidated Substrate","parent":"SC-029","scope":"Substrate Subclass: Geologic Substrate surface layer contains less than 5% gravel (particles 2 millimeters to < 4,096 millimeters in diameter). ..."},{"code":"SC-029","name":"Unconsolidated Mineral Substrate","parent":"SC-025","scope":"Substrate Class: Geologic Substrates with less than 50% cover of Rock Substrate. ..."},{"code":"SC-025","name":"Geologic Substrate","parent":"SC-C003","scope":"Substrate Origin: Benthic substrates where percent cover of Rock and Unconsolidated Mineral Substrate exceeds percent cover of both Biogenic and Anthropogenic Substrates, considered separately. ..."},{"code":"SC-C003","name":"Substrate","parent":"root","scope":null},{"code":"root","name":"CMECS","parent":null,"scope":"Coastal and Marine Ecological Classification Standard: Category terms encompassing waters from the head of tide or inland incursion of ocean salinity to the splash zone of the coasts to the deepest portions of the oceans and the deep waters of the Great Lakes."}],"nt":[{"code":"SC-300","name":"Clay","parent":"SC-282","scope":"Substrate Subgroup: Geologic Substrate surface layer shows no trace of Gravel and contains < 10% Sand; the remaining Clay-Silt mix is 67% or more Clay."},{"code":"SC-298","name":"Silt","parent":"SC-282","scope":"Substrate Subgroup: Geologic Substrate surface layer shows no trace of Gravel and contains < 10% Sand; the remaining Silt-Clay mix is 67% or more Silt."},{"code":"SC-299","name":"Silt-Clay","parent":"SC-282","scope":"Substrate Subgroup: Geologic Substrate surface layer shows no trace of Gravel and contains < 10% Sand; the remaining Silt-Clay mix is < 33% to 67% Silt."}],"rt":[]}