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  • noun

Synonyms for porphyry

any igneous rock with crystals embedded in a finer groundmass of minerals

References in periodicals archive ?
The project is situated 60 kilometres west of the Trans Mongolian Railway encompassing 40 square kilometres and comprising numerous mineralised porphyry centres.
Carbonate rocks generally host the replacement mineralization whereas different phases of the monzonite porphyry complex host copper molybdenum mineralization to the east and north of the replacement target (see Figure 1).
In this marvelous and exquisitely produced work of free-wheeling scholarship and passionate commitment to materiality, Suzanne Butters presents the story of the campaign in sixteenth-century Florence to establish the royal and imperial stone of porphyry as the special province of the Medici.
This report examines international trade and worldwide market trends pertaining to granite, porphyry, basalt, sandstone, etc.
These drill results, plus the recently completed geophysical survey and previously released trench results indicate the presence of a large, well mineralized porphyry gold system cut by a wide zone of higher grade sheeted veins.
Cuprum Resources, now a wholly-owned subsidiary of Bellhaven Ventures, controls the Cerro Chorcha porphyry copper deposit and surrounding (242 km2) concession block located in the headwaters of the Guariviara River, roughly 40 km northwest of the well-known Cerro Colorado porphyry copper deposit.
Carl Nelson, Bellhaven's President and CEO, says, "Exchange approval of the Cuprum share transaction was the final step in Bellhaven's acquisition of the Cerro Chorcha porphyry copper deposit.
Chile: Maduro property: The Maduro property shows evidences of Au-Ag High Sulphidation and Porphyry mineralization.
TORONTO -- After spending over US$3million, Rio Tinto assumes management of the Tunceli Joint Exploration Area, including the Cevizlidere porphyry copper prospect (Kizilviran).
The survey targets are world class porphyry copper-gold and coal deposits.
The geological observations from this work confirm the presence of a large porphyry copper, hydrothermal, system similar in mineralization and alteration to the copper deposits of Chile.
Markham Wash holds many geologic similarities to the neighboring lands containing the known porphyry copper deposits, though much of the area is masked by post mineral volcanic and alluvial cover.
5 kilometers) south-southeast of the Tyrone porphyry copper deposit and 14 miles (22.
The Amended Agreement covers an area of 7,648 square kilometres (km2) in southern Mongolia and includes ground prospective for both world class porphyry copper-gold and metallurgical coal deposits.
Cross cutting the sequence at a shallow angle is a series of feldspar porphyry and diabase dikes.