According to the statistics of 2615 enclaves in 53 enclave observation spots, enclaves in Fangshan granodiorite are divided into two categories, xenolith enclave and microgranular enclave.

• 摘要依据53个观察点2615个包体的统计，将房山花岗闪长岩体中的包体划分为捕虏岩包体和微粒包体两大类。