For example from the northeast outskirt of Guangzhou city to Boluo county, Huizhou city, the granite eggs are regularly and widely spread, and some rare mineral water source are found as well, the Qingyuan city, northwest region of Guangzhou center appear
For example from the northeast outskirt of Guangzhou city to Boluo county, Huizhou city, the granite eggs are regularly and widely spread, and some rare mineral water source are found as well, the Qingyuan city, northwest region of Guangzhou center appear
如：广州市区东北郊区一带到博罗县接壤处满山遍野有规律的广泛分布着许多花岗岩石蛋，市区内也发现了若干珍稀矿泉水源，广州市中心西北方向清远市一带显现了清晰的环形山地貌构造。