Calc-Alkaline Porphyry

 

An Interactive Poster

porphery_dep1
A4-07_macro_scale

Andesite phyllite

grey to green; foliated; pervasive chlorite; vein of epidote - albite(?) - chalcocite - chalcopyrite; minor bornite?
Burn Kispiox_macro_scale

A7-01_macro_scale

G2_macro_scale

G3_macro_scale

G4_macro_scale

Andesite phyllite

grey to green; foliated; pervasive chlorite; vein of epidote - albite(?) - chalcocite - chalcopyrite; minor bornite?
A3-05_macro_scale

Quartz porphyry dacite(?)

5% quartz phenos; indistinct feldspar phenos suggested; pervasive epidote alteration

D14-06_Focus2

Chalcopyrite vein

massive chalcopyrite; minor bornite; drusy, pink K-feldspar and quartz are part of the vein; Kspar borders cpy with drusy quartz at vein centre

Limonite_macro_scale

A3-01_macro

Altered diorite

50% plagioclase; 50% indeterminate mafics altered to chlorite and lesser epidote; epidote-calcite-albite(?) veins

 

T10-01_macro_scale

Sphalerite-galena vein

varies from medium to fine grained; >50% sphalerite; galena, pyrite and quartz also present; one sample contains crustiform (symmetrically banded) rhodochrosite and barite in the centre of the sphalerite vein
S19-19-macro1

Conglomerate

immature; rounded to very angular clasts

Windy Road Outcrop_macro_scale

T10-05_macro_scale

Breccia vein

wallrock fragments of bleached, sericitic volcanic rock; cemented by coarse sphalerite, pyrite and quartz

Phyllic Alteration

Qtz-Ser-Py

Propylitic Alteration

Chl-Ep-Carb-Adul-Ab

Unaltered porphyry

Babine porphyry

Potassic Alteration

Qtz-KFs-Bi

Distal

Cu-Pb-Zn-Au-Ag

Low Pyrite Shell

2% Pyrite

Page Sponsors