Excursion 1: The Limpopo Mobile Belt of Southern Africa:
The classic Limpopo Mobile Belt high-grade terrain has been studied for the last 25 years in great detail by many researchers. The Department of Geology at the University of Johannesburg has always been the frontrunner in this research. We will visit classic outcrops in the Southern marginal Zone of the Limpopo belt, including high and low temperature shear zones, type localities for mafic and metapelitic granulites, high-temperature metasomatised granitic rocks, charnockites, etc. We might also visit some localities in the Central Zone of the belt.
Duration: 4-5 days
Costs: Approximately R5500, including transport from Johannesburg and back, accommodation for three nights, breakfast, lunch and supper.
Min/Max Number of Participants: 10/20
Leader: Prof Jan-Marten Huizenga (UNW).
Co-leaders: Profs D. van Reenen . A. Smit


Excursion 2: The eastern part Bushveld Igneous Complex:
The itinerary will include:
– a stop at the basal contact of the Bushveld Complex
– traverse through part of the Lower Zone into the lower Critical Zone with LG and MG chromitites on the farm Jagdlust.
– traverse from the UG 1 to UG2 on Maandagshoek
– underground mine visit
– surface visit to the Merenky reef
– traverse through the MG chromitites south of the Steelpoort Fault to contrast with those north of the Steelpoort Fault
– visit to the Dwars River geological heritage site to look at bifurcating chromitite layers
– short traverse to look at discordant ultramafic pipes,
– stop to look at layering in the Main Zone.

South Africa is a great tourist destination. Play casino games at http://www.casinoguy.ca to fund a safari to this beautiful country.

Excursion 3: The Barberton granitoid-greenstone terrain and Ancient Gneiss Complex in South Africa and Swaziland
The Barberton granitoid-greenstone terrain and Ancient Gneiss Complex in South Africa and Swaziland represent classic Archaean geological sites in which to study the nature and processes of early Earth history. Many issues pertaining to Archaean geology, such as crust-forming processes, geodynamics, Archaean atmosphere and seawater composition and the origin of life, have been or are extensively studied in these terrains. The excursion route for this trip covers prime exposures where the aforementioned main issues can be examined.

Preliminary Itinerary
Saturday 15 January:
Departure from Johannesburg at 8 am
Route Johannesburg – Badplaas – Tjakastad – Badplaas (c. 350 km)
Stay in Forever Resort Badplaas
Stop 1.1 Tjakastad water reservoir and stream section
Overview of the geology of the Onverwacht Group
3.5 Ga volcano-sedimentary sequence of the Theespruit Formation
Stop 1.2 Komati Formation at Spinifex Stream
Evening lecture: Overview of the geology and tectonic evolution of the Barberton greenstone belt; aspects on surface processes in the ArchaeanIMG_6401

Sunday 16 January
Route Badplaas – Tjakastad – Songimvelo Nature Reserve (Kromdraai Camp) – Badplaas (c. 110 km), Overnight in Forever Resort Badplaas
Stop 2.1 Komati River section, Songimvelo Nature Reserve
3.4 -3.3 Ga clastic sedimentary rocks, carbonaceous cherts and basalts of the Hooggenoeg and Kromberg Formations
Stop 2.2 3.5 Ga Steynsdorp Pluton and Theespruit Fm
Monday 17 January
Route Badplaas – Msauli – Josefsdal – Piggs Peak (c. 120 km), Overnight Piggs Peak
Stop 3.1 Josefsdal Farm, silicified basalt and chert of the Kromberg and Mendon Formations
Stop 3.2 Manzimnyama Jaspilite
Jaspilitic banded iron formation of the 3.2 Ga Fig Tree Group
Stop 3.3 Barite Valley Syncline
Barite, impact spherule layers, bedded cherts and chert dykes, contact between the Mendon Formation (Onverwacht Group) and the Fig Tree Group

Evening lecture: The Ancient Gneiss Complex in Swaziland; aspects on geodynamic processes in the Archaean

Online registration

Online registration

Please Note:
Payment can be made by electronic transfer

All cancellations must be confirmed in writing and a cancellation reference obtained from the conference committee.

Registration to scientific program, Excursions, Short courses and workshops fees
In case of cancellation of registration to any of the above received before:

– 15/09/2010 = 100% refund
– 15/11/2010 = 50% refund
– After 15/11 = No refund

Need money to pay registration fees for CAG23? Play games at online slots and win cash prizes that will help you pay the fees.

All cancellations are accepted only in writing addressed to cag23@uj.ac.za; hmouri@uj.ac.za; Jill.Richards@exxaro.com

Substitutions of delegates will be permitted and all name changes must be communicated to conference committee by fax or email.

In the event of unforeseen circumstances we reserve the right to change the venue, dates and programme.

ATTENDEES are strongly advised to have adequate travel assurance against not being able to travel due to climatic conditions prevailing in Europe.






The 23rd Colloquium of African Geology will be hosted by the University of Johannesburg, which founded in 2005 through the merger of the former Rand Afrikaans University (incorporating the Soweto and East Rand Vista campuses) and the former Technikon Witwatersrand.

The CAG23 opening ceremony will take place at Soweto Campus, one of the five campuses of the University of Johannesburg.

The scientific sessions, short courses, workshops and exhibitions will take place on the Auckland Park-Kingsway Campus. This campus is equipped with a several computer labs and lecture halls providing more than 7000 seats.IMG_6875 UJ_KingswayCampus_OMaurin_1 UJ_SowetoCampus_1

Important information about CAG23

Please note that, in order for abstracts to be printed in the abstract volume and your presentation to be included in the programme, registration to the conference, and payment of the registration fees, is required.

Those for late registration and payment, which carry extra cost, have been extended to 15th November .

If it is, for technical or bureaucratic reasons, not possible to transfer the registration fee by the deadline, you can instruct us  specifically to print your abstract and include your presentation in the programme. This will then incur an abstract fee of R 150 (approximately Euro 15).
Payment is done by bank transfer to CAG23 account same as for registration fees.
FINAL date for PRE-REGISTRATION for excursions and short courses

FINAL date for EARLY registration for scientific program

Deadline for LATE registration in order for your abstract to be included in the abstract volume and considered for a presentation (see note above)
Both English and French will be used during the CAG23 (abstracts and oral & poster presentations).


1) WITS University Accommodation

The Office of Residence Life, on the ground floor of Senate House, is responsible for overseeing all aspects of the University’s residence programme, including accommodation and meals, and the provision of recreational facilities and programmes for the improved academic performance and the holistic development of students within a residential environment.acc

The office is also responsible for limited staff and visitor accommodation, as well as conference information.


  • The client must discuss all catering arrangements with the Services Conference Liaison Officer well before the commencement of the booked period. All changes to catering must be discussed directly with the Services Conference Liaison Officer, not with the Office of Residence Life

  • Any other dietary requirements must be discussed with the Services Conference Liaison Officer prior to the conference.

  • No Halaal / Kosher foods are served in any of the dining halls.

  • Any out-of-the-ordinary meals must be fully discussed with the Services Conference Liaison Officer by the Client at least 14 (fourteen) working days prior to the event. If Services is able to provide the requested meal/s these and any additional items, e.g. tablecloths, overlays, glasses, flowers, overtime, transport will be charged for according to the requirement.

  • Meal times are as specified below. Any deviation from these mealtimes must be fully discussed and agreed upon by the Services Conference Liaison Officer at least 10 (ten) working days before the meal.

  • Overtime and transport will be charged for dinners that are requested for beyond the 19:00 closure and overtime will be charged for weekend breakfasts.



Breakfast 06:30 – 08:30
Lunch 11:00 – 14:00
Dinner 17:00 – 19:00


Breakfasts are not normally provided on weekends. If breakfast is required, this must be discussed fully with the Services Conference Liaison Officer. The required breakfast time would be specified and, for the breakfast to be provided, an overtime fee would apply.

Lunch 12:00 – 14:00
Supper 17:00 – 19:00

1 x Fruit Juice or 1 x Cereal or Porridge
1 x Protein and 1 x Egg or 2 x Eggs (Omelette with Cheese)
1 x Starch and 1 x Fruit or 4 x Slices Bread / Toast Spread /Jam/ Peanut Butter/ 1 x Fruit 1 x Small Croissant, Bagel or Muffin/4 x Slices Bread / Toast Spread/Jam/Peanut Butter
Tea / Coffee

LUNCH R 63.00
1 x Fruit Juice 1 x Main Meal: 1 x Protein or 1 x Vegetarian Option
Plus 1 x Starch and 2 x Vegetables or 2 x Salads or 1 x Vegetable and 1 x Salad 4 x Slices Bread / Toast Spread/ Jam/Peanut Butter
Tea / Coffee
SUPPER R 63.00
1 x Fruit Juice or Dessert

1 x Main Meal: 1 x Protein or 1 x Vegetarian Option
Plus 1 x Starch and 2 x Vegetables or 2 x Salads or 1 x Vegetable and 1 x Salad 4 x Slices Bread / Toast Spread/ Jam/Peanut Butter
Tea / Coffee

2) Garden Court Milpark

Garden Court Milpark is perfectly placed close to Johannesburg’s academic precinct including the University of the Witwatersrand and Johannesburg University.
Our weekends offer you the best value for money around. Check out our SunBreaks rates for Fridays and Saturdays on our weekend calendars on every Garden Court hotel page.

It is also located in close proximity to many other attractions and landmarks including the SABC, Milpark Hospital and Johannesburg’s newly rejuvenated city centre. For trend seekers, the fashionable 44 Stanley Lifestyle Centre with its boutiques, patisseries and cafes will be a sure attraction.

The beautifully refurbished Garden Court Milpark Hotel with its contemporary, bright décor, and comfort throughout, warmly welcomes business and leisure guests, ensuring they feel instantly at home.

The ambiance of homeliness extends to each spacious room, which offers an en-suite with shower-bath combination as well as direct-dial telephone with voice mail and wakeup call facilities, computer modem point, wireless internet connectivity, television with enhanced DSTV channels, individually controlled air conditioning, hairdryer, bathroom amenities and tea and coffee making facilities. There is also a room for physically challenged guests.

If you will be there for business reasons you will always be in touch with wireless internet in the hotel’s public areas, and you will be able to conduct business as usual with our self-service workstations and copy/fax facilities. If you need to have a meeting, Garden Court Milpark has two meeting rooms that can accommodate up to 12 people each.

1 King Bed Non Smoking 38
1 King Bed Smoking 8
Wheelchair Accessible Room with Bath 1
1 Single Bed Non Smoking 24
1 Single Bed Smoking 16
2 Double Beds Smoking 60
2 Double Beds Non Smoking 60
1 Double Superior Non Smoking 8
King Superior 37
Total Rooms 252

Hotel accommodation can be booked along with your conference booking

Accommodation will be booked for you at the hotel. You will be invoiced for your accommodation by the hotel. Please pay them directly.

Rooms have been reserved, for the duration of the conference, at special rates Garden Court Milpark and Wits University Student Accommodation, in close proximity to the congress centre.

1.3 Hotels and Guesthouses
Accommodation is also available for delegates with their own transport at the following places. Booking should be made directly with these establishments.

Hampton Court (Rates are the same as Twickenham, same owner)
Contact Person: Tina Stucke
Twickenham Guesthouse
Contact Person: Linda Vink

Rates: R450- single room per night (includes breakfast)

Plumpudding Guesthouse
Contact Person: Talita Freed
Rates: R450- single room per night (includes breakfast); R590- double room per night (includes breakfast)

Parktonian All-Suite Hotel
Contact Person: Beatrice Fatyela

Rates: R990- single room per night (includes breakfast)

A Room with a View
Contact Person: Lise Wallis

Rates: R700-R1100 single room per night (includes breakfast)
R1000-R1600 double per night (includes breakfast)

Tower Lodge (Rates are the same as Twickenham, same owner)
Contact Person: Linda Vink
Auckland Park Lodge (Rates are the same as Twickenham, same owner)
Contact Person: Tina Stucke

Airport Transport
Complementary coach trips will be offered from OR Tambo International Airport. The coaches will depart from Terminal 2 (international departures) every 4 hours On the 8th  times to be announced.

Should you prefer to have a separate shuttle the cost will be as follows:
Base rate of R340, which includes the first person & R55 per person thereafter.
AFTER HOURS 1: R55.00 if the transfer is before 6am or after 8pm.
AFTER HOURS 2: R110 is added if the transfer is between 22:15 & 04:15

Getting to Joburg – International Flights

There are daily flights to Johannesburg from all over the world, both overnight and daytime.

The shortest time and estimated cost in round figures to travel all the way to Johannesburg is as follows.

€pe – 9 hours $900
America East Coast – 20 hours $1500
America West coast – 22 hours $1500
Australia West Coast – 13 hours $1400
South America East coast – 9 hours $1400
India – 15 hours – $1000
North Africa 10 hours – $900

Early booking is a good idea to get the best prices!

Passport & Visa Requirements

There is a box to click on the registration form to request such a letter.

Ensure you have a passport valid for at least 30 days beyond your date of departure from South Africa. The CAG23 LOC will not be responsible in case your visa application is rejected.
However, we are happy to provide letters of invitation to the event to justify your visit.

South Africa

South Africa is the place where people come together – for business and pleasure.

Highly developed IT and tele-communications infrastructures keep South Africa in touch with the world.

It is also the most accessible country in Sub-Saharan Africa with a transport infrastructure that includes three international airports – Durban, Cape Town and Johannesburg, seven major ports, as well as the continent’s most advanced road and rail networks. This makes the country the logical gateway into Southern Africa for trade and tourism.

South Africa is a land of extraordinary contrasts – an exotic destination famed for its natural heritage – beaches, forests, deserts, mountains and everything in between. From the Wild Coast to the Knysna Forests, from the Namaqualand desert to Table Mountain, the Cango Caves to the Kruger Park, and just beyond our borders the Victoria Falls, Lake Kariba, the Namib desert and the Okavango swamps.

General Information

Position, size and provinces
The Republic of South Africa is situated at the tip of the African continent. It covers an area of 1,27,200sq km – approximately one eighth the size of the United States of America and nearly five times the size of the United Kingdom.
South Africa is divided into nine provinces, namely: Gauteng, Northern Transvaal, North-West, Mpumalanga, Orange Free State, KwaZulu-Natal, Eastern Cape, Northern Cape and Western Cape.
Major Cities and Towns
Johannesburg is the financial, industrial and cultural centre of South Africa. Cape Town and Durban are widely considered the entertainment capitals of South Africa – they are often referred to as ‘holiday playgrounds’. Pietermaritzburg, Grahamstown, Graaff-Reinet, Port Elizabeth, Kimberley and Stellenbosch are particularly noteworthy from a historical and cultural point of view.
In general, a perennially sunny climate makes it a pleasure to visit South Africa all year round. Midwinter occurs in June and July and midsummer in December and January. The climate ranges from Mediterranean in the Cape Peninsula to subtropical on the KwaZulu-Natal coast and in the North-Eastern Transvaal, while temperate conditions prevail inland.
The national carrier, South African Airways, together with many international air and shipping lines link South Africa with the rest of the world.
International Airports
South Africa has three international airports: Johannesburg International Airport, Durban International Airport and Cape Town International Airport.

Facilities for the Disabled
South African Airways provides passenger aid units at all major airports while many hotels offer facilities for the disabled. Wheelchairs and other aids can be hired in most cities.

Communication Services

A direct dialling service connects all centres. The international telephone service links South Africa with countries around the world. Three GSM cellular networks cater for the widespread use of cellular phones, which are available for hire on arrival at major airports.
Medical Services
South Africa does not have a national health scheme. The patient is individually responsible for settling accounts for medical treatment and hospitalisation. Travel insurance covering accidents, illness or hospitalisation during your stay is strongly recommended. Doctors are listed under ‘Medical Practitioners’ in local telephone directories.
City power systems are 220/230 volts AC. Adapters for electric shavers and hair dryers are available locally.
Radio and Television
The South African Broadcasting Corporation (SABC) broadcasts 22 radio programme services in 11 languages, and three television services in seven languages (including English). Programmes include news, actuality, interviews, sport, documentaries and movies. The M-Net cable and Digital Satellite Television (DSTV) networks broadcast mainly in English and focus on entertainment, international news (CNN, BBC) and sport.
Newspapers and Magazines
Hundreds of periodicals and journals are published in South Africa. Daily newspapers are published in all major cities.
The South African currency unit is the Rand, denoted by the symbol R. R1 = 100 cents. Most businesses, tour operators, airlines and hotels accept international credit cards, including Visa, MasterCard, American Express and Diners Club cards. Travellers cheques in all major currencies can be exchanged in all banks. Many hotels, stores, restaurants etc. accept travellers cheques.
VAT (Value Added Tax)
Value Added Tax, currently at 14%, is included in the marked/quoted price of most goods and services. International tourists may claim refunds of VAT paid on goods that they take out of South Africa. Information leaflets on VAT Refund procedures are available from VAT Refund Administration offices at Johannesburg International Airport, Durban International Airport and Cape Town International Airport.
A 10% assessment usually applies, depending on the standard of service provided. Restaurants do not include the tip in the bill. The suggested tip for porters is between R1.00 and R2.00 per piece of luggage. The currency exchange rate is in your favour! In addition to shopping bargains, an upmarket hotel will generally cost you less than the tariff charged by similar establishments elsewhere. The same applies for fine cuisine and wine, entertainment and transport.
Time Differences
Throughout the year, Standard Time in South Africa is two hours ahead of Greenwich Mean Time, one hour ahead of Central €pean Winter Time, and seven hours ahead of Eastern Standard Winter Time, USA.
What to pack
Dress is generally casual, especially at holiday resorts and game reserves. Beachwear, however, is not acceptable in restaurants. During winter, warm clothing is necessary, although daytime temperatures are generally mild. Don’t forget to pack your camera and binoculars for game viewing.
Drinking water
Tap water is purified and safe to drink.
Entry and Accessibility Requirements
As for all international travel, visitors to South Africa must be in possession of a valid passport. Travellers from certain countries also require visas.



When planning your next holiday please make sure that you have read all the health entry requirements for your intended destination to avoid disappointment. Due to the high incidents of yellow fever and other infectious horrors, the Department of Home Affairs (DHA) has embarked on a strict programme to control the importation of these diseases. Warnings have been issued to all border official and foreign affairs missions to enforce stricter control.

According to International Health Regulations, a valid yellow fever certificate is required for all passengers, over one year of age, arriving in or from a yellow fever infected area. The following actions can be taken against passengers arriving in South Africa from a yellow fever infected area without a valid yellow fever vaccination certificate:

  • Refused entry
  • Quarantined until their certificate becomes valid, or for a period of not more than six days
  • Those with an exemption certificate due to medical reasons may be allowed entry and required to report any fever or other symptoms to the health authorities and be placed under surveillance.

Infected Areas

It is always advisable to ensure that your yellow fever vaccination certificate is up to date and valid before traveling to or from any of these countries:

Angola, Argentina, Benin,Bolivia, Brazil, Burkina Faso,Burundi, Cameroon Central African Rep.,Chad, Colombia, Congo,Cote d’Ivoire, Dem. Rep. of Congo, Ecuador,Equatorial, Guinea, Ethiopia, French Guyana ,Gabon, Gambia, Ghana, Guinea, Guinea Bissau, Guyana,Kenya, Liberia, Mali,Mauritania, Niger, Nigeria,Panama, Paraguay, Peru ,Rwanda, Sao Tome & Principe, Senegal, Sierra Leone, Somalia, Sudan,Suriname, Togo, Trinidad and Tobago, Uganda, Unt. republic of Tanzania, Venezuela.
Current Exchange rates
As on 13 May 2010

Rand/$ 7.51
Rand/£ 11.09
Rand/€ 9.44

Geological Continental Scale Mapping in Africa

The workshop will consist on the presentation of the most recent 1:5 M scale Tectonic Map of Africa (TMA), which is a result of a number of years of meetings and workshops mainly held in Africa and most of them were sponsored by UNESCO with the support of the Council for Geoscience and other organisations.

Further details on this workshop can be obtained from the leaders:
Dr Rossi Philippe , Prof F. Toteux and
Dr P. Zawada

 New added workshopS:

WS8. Improving regional water management in Africa on the basis of geodetic water-cycle monitoring.

Umvoto Africa, in collaboration with Overstrand Municipality and Chief Directorate: National Geo-Spatial Information, invites you to participate in the 3rd Workshop of a project on “Development and Application of Global Navigational Satellite Systems (GNSS) methodology for Groundwater Resource Assessment”, funded by the Water Research Commission (WRC) and Department of Science and Technology (DST).IMG_6237

Further details can be obtained from the leader:  Andiswa Mlisa Director, Umvoto Africa (Pty) Ltd

WS9: Seismotectonics and seismic hazards in Africa.THIS WORKSHOP HAS CHANGED INTO A “SCIENTIFIC SESSION” S4.6. PLEASE SEE “Scientific Program”.
A new workshop is offered instead (Venmyn Company)

WS9:  “Definition of a Resource”. Leader: Andy Clay

The workshop will use a practical example to discuss how geologists define a resource. Attendees will be asked to determine resource ounces from an example stratigraphic column of a tabular orebody and discuss the mining method most appropriate for a particular orebody. Following from this, attendees will discuss what the valuation consequences are for their decisions to include or exclude waste material or adopt a particular mining method. This workshop provides attendees with an insight on how a techno-economic assessment of exploration results is performed, and is suitable for those interested in determining what the mining and financial implications are of exploration results. The workshop is presented by Venmyn, a company which is well known for drawing up companies’ Resource and Reserve and Valuation Statements.

Further details on the workshop can be obtained by contacting directly the leader of the workshop:
Andy Clay

Number of delegates: Max 50
Duration: 2-3h
Date 12/01/2011 from 2pm to 5pm.
Costs: free of charge.

Registration fees for the workshops:

Code Fees* Duration Dates Number of participants
WS1 Free Half day Part of S5 Not limited
WS2 To be confirmed 2.5 day 14/01 3PM to 16/01 Up to 80
WS3 Students: R200/day
Others: R300/day
1 day 12/01/2011 Not limited
WS4 Free Half day 13/01/2010 (S16) Not limited
WS5 Free Half day 12/01/2011 20 max
WS6A,B,C Free 1.5 day 12/01/2011 Not limited
WS7 Free half day 10 or 11/01/2011 Not limited
WS8 Free  1 day  09/01/2011  50
 WS9  Venmyn-Free  2-3h  12/01/2011  50


23rd Colloquium of African Geology

University of Johannesburg

For the 1st time in South Africa
Hass-6Message from Hassina Mouri, on behalf of CAG23-LOC
Dear Friends and Colleagues:

Thank you for all your support to  CAG23.

We hope that you enjoyed the event and your stay in SA, at UJ and that you all left with very good memories.

We hope to see you again at IMA2014 (Johannesburg), and at IGC 2016 (Cape Town).

CAG23 was just a starter!!!

Please click on the link below to access the detailed report of the event (CAG23) found on the website of the faculty of science at UJ.


With best wishes,

Hassina Mouri (for LOC-CAG23)

Chair LOC-CAG23 & Secretary General Geological Society of Africa

Department Of Geology, University of Johannesburg, South Africa