horn.fels

hornfels的音标和读音：
DJ音标发音： [ˈhɔ:rnˌfelz]
KK音标发音： [ˈhɔrnˌfɛlz]

hornfels的词性：
n.（名词）

1. A fine-grained metamorphic rock composed of quartz, feldspar, mica, and other minerals, formed by the action of intrusive rock upon sedimentary rock, especially shale.
角页岩：一种纹理清晰的变质岩，由石英、长石、云母和其他矿物组成，因侵入岩对沉积岩，特别是页岩的作用而形成

hornfels的词源：

2. German
德语

3. Horn [horn] * see hornblende
Horn [角] *参见 hornblende

4. Fels [rock, cliff] from Middle High German vels from Old High German felis
Fels [岩石，悬崖] 源自 中古高地德语 vels 源自 古高地德语 felis