The Geological Society of Hong Kong 香港地質學會
Last updated: 24 December 2014
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Rock of the month

Pyrite
Pyrite (Iron pyrite) is a metallic mineral that is composed of iron and sulfur atoms (FeS2). Fool's Gold is another name used that was derived from the old mining days, when many novice gold prospectors mistook tiny pieces of the mineral for gold in their pans. Pyrite has a rate of H=5.5 and gold is H=2.5 on Moh's hardness scale. It exhibits metallic lustre and pale brassy yellow hue (Color) but it does not look as bright yellow as gold. If the mineral is ground into powder, the streak (Color of the powder) appears greenish-black but the powdered gold still maintains yellow.
Pyrite is usually found associated with other sulfides or oxides in quartz veins, sedimentary rock, and metamorphic rock, as well as in coal beds and as a replacement mineral in fossils.




Our Society - GSHK
The Geological Society of Hong Kong is a non-profit organisation that attempts to promote geological and earth science studies within Hong Kong and the adjacent region. We organise local and overseas fieldtrips, as well as lectures. The Society publishes a journal (The Hong Kong Geologist) and bulletins dealing with a variety of earth science subjects.




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Whats New!



YEAR 2014 -16 GSHK New Cabainet



Professor Oldrich Hungr Joint Technical Seminar on Non-textbook Flowslides in Fine-grained Colluvium (2 Dec. 2014) powerpoint is ready for your downloading


Denise TANG 2014 AGM talk powerpoint sharing

"What happened in HK after the High Island super-eruption?"

Please click and download.


The 8th World Chinese Geological Congress (8th WCGC) - Taiwan

The 2nd circular

Organiser: The Institute of Earth Sciences (IES) of Academia Sinica in Taipei, Taiwan and others (please refer to the circular)

Date: Shifted to June 15-21, 2015,

Registration will start in early 2015 and we will notify members once details are available

Venue: Taipei, Taiwan
Call for paper (Reply due date: 31.10.2014)
Please click here for
1. The 1st circular
2. The 2nd circular
2. The reply slip

2015 PACRIM Congress in Hong Kong
GSHK is one of the Congress supporter
Date / Location: March 18-21, 2015, Hong Kong, China 

Event Information:
The Australasian Institute of Mining and Metallurgy (The AusIMM) is pleased to announce that it will host PACRIM 2015 at the Conrad Hotel, Hong Kong from 18-21 March 2015. 

Early bird registration closes 31 January 2015. GSHK members to register by this date and save up to HKD 1,680 off the standard registration rate.

2015 EMI International Conference of ASCE will be held at The Hong Kong Polytechnic University January 7-9, 2015.
The theme of this conference is "Mechanics for Civil Engineers Against Natural Hazards"

call for paper