![31.0 Polymict diamictite. Heaven's Beach, Sonoma Coast State Park, California. Clasts of various sizes (in outcrop, up to several meters in diameter) occur in a muddy, sandy matrix. Clasts visible here include blue glaucophane schist, green chert, green to grayish-green mafic metavolcanic rock, red-brown to gray sandstone, and white quartz. [Scale is provided by length of the half hammer-head in the upper left corner, which is about 6 cm.]](../31.0.JPG)
31.0 Polymict diamictite. Heaven's Beach, Sonoma Coast State Park, California. Clasts of various sizes (in outcrop, up to several meters in diameter) occur in a muddy, sandy matrix. Clasts visible here include blue glaucophane schist, green chert, green to grayish-green mafic metavolcanic rock, red-brown to gray sandstone, and white quartz. [Scale is provided by length of the half hammer-head in the upper left corner, which is about 6 cm.]