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澳大利亚80%的地区都遭受了长期强烈风化和红土化。因而基岩一般都存在于100米以下,有时深达1000米以下,传统的
Over 80% of Australia has suffered from long-term intense weathering and lateriteification. Thus bedrock generally exist in less than 100 meters, and sometimes up to 1,000 meters deep, the traditional