我国現时普查勘探的磷矿是以沉积磷灰岩为主。从太古代到第三紀地層中,都有磷灰岩存在,但根据已知資料,勘探的磷决岩是屬于下寒武紀的昆陽式和元古代初期的海州式磷矿,特別是海州式磷矿。二年来根据对海州式磷矿的勘探經驗和綜合研 The phosphate rock explored and explored in China is dominated by sedimentary phosphorite. From the Archean to the Tertiary strata, there are phosphorite, but according to the known data, the exploration of the pluton is the Kunyang-style Cambrian and Early Proterozoic Haizhou-style phosphate rock, especially the sea State-style phosphate rock. In the past two years, based on the Haizhou-style phosphate exploration experience and comprehensive research