熊岩保护区是400英尺高、占地477英亩的欧石南丛生的荒原，以各种排列方式和受侵蚀的砂岩和石英岩以作为其特色。

Photo and caption by Paul M.ProvencherBear Rocks Preserve is a heathland at 4000 feet, 477 acres that features sandstone and quartz rocks arranged and eroded in various ways.

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骑马沟铅锌矿赋存于熊耳群条纹状硅质大理岩与火山凝灰岩之间。

The Qimagou Pb-Zn deposit occurs between onyx siliceous marble and volcanic tuff of the Xiong 'er Group.

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分离鉴定了5个三萜类化合物：葳岩仙皂苷C（1）、木通皂苷D（2）、木通皂苷F（3）、 熊果酸（4）和常春藤皂苷元（5）。

Five triterpenoids were isolated and their structures were identified to be cauloside C (1), akebiasaponin D (2), akebiasaponin F (3), ursolic acid (4) and hederagenin (5).

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