Home > Term: bird's-eye porphyry
bird's-eye porphyry
A name given by prospectors and miners to a fine-grained igneous rock having small phenocrysts, particularly if they are quartz, from a fancied resemblance to birds' eyes.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
ผู้สร้าง
- ed.young
- 100% positive feedback
(Milwaukee, United States)