贝尔科那普发现这块骨头时，他正在鉴定古人类的粪便成分，这些粪便是从名为“得州汉德斯洞穴”的岩石覆盖物的较底层发掘的。

Belknap discovered the bone while identifying the contents of ancient human feces excavated from a lower layer at a rock shelter known as Hinds Cave in Texas.

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在开展上海岩石地层清理工作中，对以往留存地层断代疑点的地层补做了采样、分析鉴定工作。

While checking up Shanghai litho - stratigraphic documents, additional sampling, analyzing and identifying work have been done for former doubtful points of stratum dating.

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公司的经营范围涉及矿产地质调查、勘查，工程物探，岩石、矿物鉴定、选冶实验，矿产开发以及地矿系列等技术咨询服务。

The business scope involved in geological prospecting, geophysical prospecting, rock and mineral identification, mineral resources refined and mine exploiting consulting service.

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