Changes

! Top || Bottom

! Top || Bottom

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| rowspan = 5 | Erosional traps || rowspan = 2 | Truncation traps || colspan = 2 | Regional subcrop || Nonmarine erosional surface || colspan = 2 ||  Sequence-boundary unconformity || Marine sandstone subcrop || Marine shale beneath sandstone

| rowspan = 5 | Erosional traps || rowspan = 2 | Truncation traps || colspan = 2 | Regional subcrop || Nonmarine erosional surface || colspan = 2 |  Sequence-boundary unconformity || Marine sandstone subcrop || Marine shale beneath sandstone

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| Paleostructural subcrop || Complex fold-fault subcrop || Nonmarine erosional surface || Sequence-boundary unconformity || Postcompressional fold-fault unconformity || Multiple truncated marine sandstones || Postunconformity marine shale || Underlying marine shale

| Paleostructural subcrop || Complex fold-fault subcrop || Nonmarine erosional surface || Sequence-boundary unconformity || Postcompressional fold-fault unconformity || Multiple truncated marine sandstones || Postunconformity marine shale || Underlying marine shale

| rowspan = 3 | Erosional relief trap || colspan = 2 | Buried hill || Nonmarine erosion surface || Sequence-boundary unconformity || Local differential erosion || Basement igneous complex || colspan = 2 | Marine shales above unconformity

| rowspan = 3 | Erosional relief trap || colspan = 2 | Buried hill || Nonmarine erosion surface || Sequence-boundary unconformity || Local differential erosion || Basement igneous complex || colspan = 2 | Marine shales above unconformity

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| rowspan = 2 | Truncation-edge traps || Marine erosion surface || colspan = 5 | Submarine canyon or gorge trap

| rowspan = 2 colspan = 2 | Truncation-edge traps || Marine erosion surface || colspan = 5 | Submarine canyon or gorge trap

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| Nonmarine erosional surface || colspan = 5 | Channel-relief or valley-edge relief traps

| Nonmarine erosional surface || colspan = 5 | Channel-relief or valley-edge relief traps