1. Granite, composed of white quartz, porcelain clay, and greenish steatite, with veins of white quartz intersecting each other.
2. Fine-grained granite, composed of yellowish feldspar, white quartz, and black mica.
Quartz dykes of great magnitude traverse the granite which forms this peninsula.
HONG-KONG, ONE OF THE LADRONE ISLANDS, OFF MACAO.
3. Lead-coloured compact quartz rock, with imbedded crystals of flesh-coloured feldspar.
GREAT LEMMA, ONE OF THE LADRONE ISLANDS, OFF MACAO.
4. Coarse-grained granite, with distinct crystals of feldspar.
SOUTHERN SHORE OF THE YELLOW SEA.
CHE-A-TOW.
5. Fine-grained gneiss, composed of white quartz, white feldspar, and black mica, with a vein containing hornblend and crystals of feldspar.