Weathering of quartz, chert, and clay minerals in the sedimentary rocks is the most likely source of silica in stream water during low-flow conditions.
(Weathering of quartz, chert, and clay minerals in the sedimentary rocks; is; the most likely source of silica in stream water during low-flow conditions)
Weathering of quartz, chert, and clay minerals in the sedimentary rocks
is
the most likely source of silica in stream water during low-flow conditions