type of ornamental stone, late 14c., porfurie, from Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites, a purple semi-precious stone quarried near the Red Sea in Egypt, from Greek porphyrites (lithos) "the purple (stone)," from porphyra (n.) "purple, purple dye" (see purple). Spelling Latinized mid-15c. Now used generally for a type of igneous rock without regard to color. Porphyrios was an ancient proper name.
中文解释
1、porphyr- + -y.2、因为这是一种紫色的岩石。
实用例句
1. In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.
在许多斑岩铜矿矿床中, 地表风化使得金属铜进一步富集.
来自辞典例句
2. The Deposit No.460 is a large porphyry - type uranium - molybdenum deposit.
460矿床为一个大型斑岩型铀 - 钼矿床.
来自互联网
3. Gongpoquan porphyry - type copper deposit is existed in secondary dacite - porphyry and granite - porphyry bodies.
公婆泉斑岩铜矿产于次英安斑岩和花岗斑岩体中.
来自互联网
4. Porphyry rocks in this belt are intermediate - acid rocks of calc - alkaline series.
该斑岩带斑岩属钙?A性 系列、中 酸性岩 类.
来自互联网
5. Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.
