GSN Membership Meeting – Friday, Feb. 19, 2021 @ 6:30 p.m.

Description

Contact: peter.obyrne@outlook.com

GSN Virtual Talk:  FRIDAY, FEBRUARY 19, 2021

Zoom Opens @ 6:15 PM,  Talk begins @ 6:30 PM (Pacific)

(Zoom login details can be found below.)

Guest Speaker:  Dr. Zhaoshan Chang

Charles F. Fogarty Endowed Chair and Professor in Economic Geology, Department of Geology and Geological Engineering, Colorado School of Mines and

2020 SEG International Exchange Lecturer

Title: “Skarns: Zoning Patterns and Controlling Factors”

ABSTRACT:

Skarns are one of the most common deposit types with significant economic values, and they are typically part of magmatic hydrothermal systems. Skarns may extend towards the causative intrusions to porphyry or greisen deposits, and towards distal locations to carbonate replacement deposits and farther away to Carlin- or Carlin-like deposits. For the exploration of skarn and related deposits, zoning is an effective tool. In addition, in skarn-porphyry districts there are typically many intrusions. To identify the causative intrusion, zoning is an important, sometimes the only tool. In this presentation, zoning patterns in both alteration and mineralization will be summarized and explained.

Date/Time: February 19, 2021 at 6:15 PM Pacific Time (US and Canada)

Join Zoom Meeting by clicking on the link:

https://us02web.zoom.us/j/83073985471?pwd=WGlRSG5UMm5DNDkrcUs2L25QM2NxQT09

Meeting ID: 830 7398 5471

Passcode: 415814

 

One tap mobile:  +16699006833,,83073985471#,,,,*415814# US (San Jose)

Dial by your location:  +1 669 900 6833 US (San Jose); +1 253 215 8782 US (Tacoma)

Meeting ID: 830 7398 5471

Passcode: 415814

Find your local number: https://us02web.zoom.us/u/kcYklnNnVo

If you have any login issues, please contact GSN Digital Media Chairman, Peter O’Byrne at:  peter.obyrne@outlook.com