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Vredefort Dome
Taking place on: 30 - 31 August 2014
Tour Leader
Prof. Dr. Wolf Uwe Reimold and Roger Gibson
This excursion will examine the rocks of the upper and middle crust of the Kaapvaal craton exposed in the Vredefort Dome, which is the southwest eroded central uplift structure of the world's largest and oldest known impact structure. In addition, formidable explosures of deformation phenomena caused by the impact (i.e. shatter cones, pseudotachylitic breccias, and impact melt rock) will be examined. Besides some cultural aspects of this World Heritage Area.
RECOMMENDED ACCOMMODATION VENUES:
SUNWA RESORT
Situated on the banks of the Vaal River, 10 km’s outside Parys and 120 km’s south of Johannesburg.
SunWa has gone to great lengths to utilize the beautiful environment of the Vaal River and to create a Conferencing, Accomodation and inhouse run teambuilding venue where tranquility and hospitality are paramount.
ITINERARY
Day 1 – 30 August
08:00 Depart from Sandton ICC
Viewpoint on Mponeng Gold Mine (Mine Hospital site) – panoramic view of the central Witwatersrand region (optional stop)
Stop at Sunwa Lodge to drop off luggage/short rest stop
Kopjeskraal alkali granite with impact deformation
Booysens Shale – prime shatter cone site
Amazon Reef - Witwatersrand gold mineralization in upper Witwatersrand Supergroup quartzite
Schoemansdrif shatter cones at the Vaal River weir (optional)
Kommandonek cordierite-andalusite hornfels and associated metamorphosed lithologies of the lower Witwatersrand
Time permitting, stop at Leeukop Hill quarry with massive pseudotachylitic breccia (sundowner on quarry berm overlooking the northwestern Vredefort Dome
18:30 Return to Sunwa Lodge by dusk (approximate time)
19:30 Dinner
Day 2 – 31 August
08:00 Depart Sunwa
Salvamento quarry (upper crustal granite gneisses and pseudotachylitic breccias)
High-grade metamorphic rocks of the mid-crust around Steynskraal
And near the Inlandsee pan (innermost part of the Vredefort Dome)
Hatthingsrust – if accessable (i.e., demanding dry roads), Archean komatiitic basalts with pillow lavas and shatter cones
Vredefort Granophyre on Daskop Farm – impact melt rock with San petroglyphs
19:00 Return to Sandton ICC; approximate arrival time
Requirements for Participants
Appropriate shoes for field "work"; while the vicinity of exposures are accessible by vehicle, there will be a number of short hikes to investigate scattered exposures. Bring a warm jacket, as it cannot be entirely excluded that a cold front might bring some wind and possible even some rain. On the other hand, even on a clear and cool day, sun protection is a must!
Items included:
Transfers
Packed lunch & beverage
Dinner & beverages
Accommodation booking:
On bed & breakfast basis
30 August: Sunwa Lodge
CLICK HERE TO DOWNLOAD ITINERARY
Terms and Conditions:
1. Participation will be confirmed on receipt of payment.
2. Preference will be given to registered IMA 2014 delegates.
3. Cancellations must be received in writing and emailed to This email address is being protected from spambots. You need JavaScript enabled to view it.
4. Refunds will be granted at the discretion of the organising committee.
5. Cancellations received before 30 May 2014, will be refunded less a 10% administration fee.
6. Cancellations received between 31 May and 31 July 2014 will be refunded 50% of the tour price.
7. No refunds will be issued for cancellations received after 31 July 2014.
8. In the event that the tour is cancelled by the organisers, a full refund will be issued.
9. A decision will be made as to whether the tour will go ahead or not by 31 March 2014.
10. All participants will be required to sign an indemnity form prior to participating in the field trip.
11. All participants are to take out their own personal insurance cover for general travel insurance, personal liability, medical cover and dangerous activities cover. A copy of confirmation of insurance must be submitted to the organisers prior to participating in the tour.
12. The organisers reserve the right to change or cancel the field trip if necessary.
