37—LITHOLOGIC PATTERNS

37.1—Sedimentary-rock lithologic patterns

02 Gravel or conglomerate (2nd option)

601 Gravel or conglomerate (1st option)

603 Cross-bedded gravel or conglomerate

605 Breccia (1st option)

606 Breccia (2nd option)

607 Massive sand or sandstone

608 Bedded sand or sandstone

609 Cross-bedded sand or sandstone (1st option)

610 Cross-bedded sand or sandstone (2nd option)

611 Ripple-bedded sand or sandstone

612 Argillaceous or shaly sandstones

613 Calcareous sandstone

614 Dolomitic sandstone

616 Silt, siltstone, or shaly silt

617 Calcareous siltstone

618 Dolomitic siltstone

619 Sandy or silty shale

620 Clay or clay shale

621 Cherty shale

622 Dolomitic shale

623 Calcareous shale or marl

624 Carbonaceous shale

625 Oil shale

626 Chalk

627 Limestone

628 Clastic limestone

629 Fossiliferous clastic limestone

630 Nodular or irregularly bedded limestone

631 Limestone, irregular (burrow?) fillings of saccharoidal dolomite

632 Crossbedded limestone

633 Cherty crossbedded limestone

634 Cherty and sandy crossbedded clastic limestone

635 Oolitic limestone

636 Sandy limestone

637 Silty limestone

638 Argillaceous or shaly limestone

639 Cherty limestone (1st option)

640 Cherty limestone (2nd option)

641 Dolomitic limestone, limy dolostone, or limy dolomite

642 Dolostone or dolomite

643 Crossbedded dolostone or dolomite

644 Oolitic dolostone or dolomite