Fig. 8.—Coal Creek, Shag Valley: a, River alluvium; b, older river gravels; c, sand with concretions; d, shale with lignite (Pareora formation); e, green sandstone; f, limestone (Oamaru formation); g, basalt; h, schist (Kakanui formation)
Fig. 8.—Coal Creek, Shag Valley: a, River alluvium; b, older river gravels; c, sand with concretions; d, shale with lignite (Pareora formation); e, green sandstone; f, limestone (Oamaru formation); g, basalt; h, schist (Kakanui formation).