Process manufacturing produces co-products and by-products. A co-product is a saleable end item that results from a process. A by-product is a material of value that is produced incidental to or as a residual of the process.
D. a rock with metamorphic minerals but no foliation or lineation. A shale is metamorphosed into three rock types: (1) a banded gneissic rock; (2) a rock with small mica crystals with a shiny aspect; (3) a very shiny rock with large mica crystals; and (4) a dull slate with cleavage. Which of the following lists these rocks in order of increasing metamorphic grade?
Shale is often a red or gray rock made of mostly clay minerals. This sedimentary rock forms in quiet water setting such as lakes and the deep ocean.The clay particles settle on the bottom of the lake or ocean and harden into rock.hale is often a red or gray rock made of mostly clay minerals. This sedimentary rock forms in quiet water setting such as lakes and the deep ocean.