The bio-reef-chert suite is an important ore-bearing rock assemblage a
nd one of the metallogenic rock suites of superlarge ore deposits. It
is formed as a fixed and ordered suite in space and rime, and composed
of different rocks formed by different geological processes. It is th
e product of basin evolution at special stage in a special geological
setting. It is also the comprehensive product of normal sedimentary pr
ocess, biological process in basin, hydrothermal sedimentary process u
nder basin base and magmatic process in the deep lithosphere.