Apatite fission track ages of three diorite samples is range from (78±) Ma to (9±) Ma, and the lengths of horizontal con裂变径迹年龄为(78±)—(9±)Ma,平均径迹长度为( .±.)—( .±. )μm。
The fission track age of the zircon from a surface sample 97CK0 is ± Ma, and that of the apatite is .8±. Ma.地表样品 97CK0 的锆石裂变径迹年龄为 ± Ma ,磷灰石的裂变径迹年龄为 .8± .Ma。