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Auckland Branch


Who Are We?

  • The Geoscience Society of New Zealand is an incorporated society which encourages the advancement of the earth sciences in New Zealand. Membership is open to all people interested in the pursuits of the Society.
  • The Auckland Branch is one of seven local branches who organise illustrated lectures, discussion meetings, field trips and social events.
  • The Branch has two different membership types - membership of the national body (Geoscience Society of New Zealand) and membership of the Auckland branch section - GeoClub. Some belong to one or the other and some belong to both.
  • Geoscience Society membership entitles you to receive the GSNZ Newsletter, Branch newsletters and benefit from discounts. For more information go here.
  • GeoClub membership entitles you to a monthly GeoClub Newsletter by snail or email with information of upcoming talks and field trips. For more information about GeoClub go here and for the GeoClub membership form go here .

Contacts:
Branch Rep: Jennifer Eccles - j.eccles_at_auckland.ac.nz
GeoClub: Bruce Hayward - b.hayward_at_geomarine.org.nz or Hugh Grenfell - h.grenfell_at_orcon.net.nz

 


What is "GeoClub'?

  • Established in 1992 at Auckland Museum the GeoClub is now part of the Auckland Branch of the Geoscience Society of New Zealand at Auckland University. The Club is a mix of enthusiastic amateurs and professionals who share a common interest in the study and understanding of Auckland's geology and fossils and has a membership of approximately 100.
  • No previous knowledge or understanding of geology is required to become a member, although most of our members started by taking an adult education course or a geology paper at University. The main requirement is an enthusiasm to understand something about the long history of the earth and our region.
  • Recent Club field trips have included visits to Hokianga, East Cape, Rotorua, Port Waikato, Waihi Gold Mine, Puketotara Peninsula, Kawau Island, the Miranda coast, Piha, Browns Island, Pollen Island, Whangaparoa, the Hillsborough coast, Queens Street building stones, Takapuna fossil forest to mention a few.


  • Geology is a hobby that families and people of all ages can enjoy. It gets you out into the open air and is a great way to exercise. It takes you to fascinating places you have never visited before and above all you will start seeing the landscape with new eyes. No longer will you just see sheep grazing on hills. You will start to see the lava flows, the fault lines, the folded strata that control the shape of the hills, ancient river terraces and coastal plains.

What do we do?

  • Monthly meetings at the Epsom Community Centre, 200 Gillies Ave with lectures and slide shows. Parking is available (see below ) with easy access from the motorway. Books and pamphlets on New Zealand geology available at wholesale prices. Expert assistance available to help identify your problem rocks, minerals or fossils.
  • Frequent field trips of half or full day duration in the weekends throughout the year. Car-pooling is encouraged. Periodic long weekend field trips to interesting geology further from Auckland, with costs kept low with budget accommodation.

 


What's On?

NEXT MEETINGS & FIELD TRIPS

We had three excellent and stimulating talks on aspects of volcano research at our Feb meeting - all presented by graduate students from Auckland University. Many thanks to Shannen Mills, Mirja Heinrich and James Clarke.
On Sun 3rd 16 members turned up to McLaughlins Mt for an exploration trip around the lava flow field, explosion crater and ascent of the remainder of the scoria cone. It was pleasant in the morning sun but by the time we climbed the steep pyramid the noon day sun was energy sapping. We concluded that while the explosion crater had erupted through basalt lava, the tuff ring and crater were clearly in existence before younger flows from the volcano flowed into and partly filled the crater from the east.

Geocene 18 is out. Geocene 19 submissions are invited: Please send contributions to Jill Kenny. jill.kenny@xtra.co.nz
All Geocene volumes can be accessed at www.gsnz.org.nz/information/auckland-i-46.html#mag

Note that our monthly meeting start time has been pushed back 15 mins by the Centre to 7.30 for 7.45 PM. 

NEXT MEETINGS: Epsom Community Centre, 200 Gillies Ave, Epsom. Opens at 7.30 PM for 7.45 PM start. .

  • TUES 19th MAR 7.45 PM Epsom Community Centre. GSNZ President's Lecture:
    "Low hazard risk: Hauraki Rift Earthquake potential and the Auckland Volcanic Field . Balancing hazard effort in a small geologically-active nation" by Dr Jennifer Eccles.
  • TUES 16th APR 7.45 PM Epsom Community Centre. Four members' short talks -
    Aniseed Vally copper smelters, Nelson Ophiolte by Ian Simpson
    Silt jetties by Wendy Goad
    Matiri limestone plateaux by Christine Major
    Matukutureia and Te Motu a Hiaroa's explosion craters and tuff rings - Bruce Hayward

NEXT FIELD TRIPS:

NB: If any field trip particpant has an allergy that requires them to carry an EpiPen or similar they must inform the field trip leader at the start of the trip - not when an emergency might suddenly happen.

  • SUN MARCH 17th PAKAURANGI PT to PUKETI PT SECTION, Tinopai, Kaipara. Leader Bruce Hayward. Long day trip. Geoclub's first ever trip to examine the Lower Miocene succession of shallow marine, fossiliferous sediments overlain by a several fossil forests killed and preserved by incoming ignimbrite flows. Direct access has been arranged over private Maori Land to Holland Bay. 2.5 hr (150 km) drive from Auckland each way. Car pool will leave from outside Albany Bus Station, Cornerstone Drive, just off N Motorway at Oteha Valley off ramp, at 8.30 AM ($15 contribution each) or at Tinopai, at junction of Tinopai and Ngatoto Rds at 11.30 AM. Low Tide 2 PM, 0.9 m. If weather is inclement ring Bruce (5231667) at 7.30 AM for possible postponement. Bring lunch, drink, sun and rain gear, suitable footwear for sand, rock and some mud. Classification: Medium, 4-6 km of coastal walking on sand with a few slippery rocks and a little ankle-deep mud.
  • SUN APRIL 14th CIRCUMNAVIGATE MANGERE MT WESTERN LAVA FLOW FIELD. Leader Bruce Hayward. Start at 10 AM at Mangere Boat Club carpark (opp 32 Kiwi Esplanade, Mangere Bridge). Explore the lava flow lobes, pahoehoe, tree mould, small caves and other features as we walk around the foreshore of Kiwi Esplanade and Ambury Park before returning across the peninsula to the cars. LT Noon. Bring weather gear, lunch and water to have en-route, suitable footwear for footpaths, grass paths, foreshore basalt and minor muddy sand. Classification: Moderately easy except it is quite a long walk (7-8 km). If weather is inclement ring Bruce (5231667) at 8.30 AM for possible postponement.
  • FRI MAY 3th - Mon 6th LONG WEEKEND TRIP TO NE NORTHLAND. Leader Bruce Hayward. Fri Start Noon at One Tree Pt boat ramp, near Ruakaka (Last Interglacial beach and dune sequence and fab trace fossils). Later Lake Ora and Onoke Volcano. Stay overnight in a Whangarei Motel. Sat: Intertidal visits to Parua Bay (Base of the Northland Allochthon) and then North end of Ocean Beach for some of most complex geology in Northland, basement greywacke and spilite, in situ Te Kuiti Group and amazing number of allochthonous rock types intruded by Lower Miocene dike. Then drive north to stay at Paihia Motel for Sat and Sun nights. Sun: Intertidal visit to Whatuwhiwhi to see Early Cretaceous Houhora Group section of sediments and pillow lavas (para allochthonous) intruded by Lower Miocene dikes. Mon. Follow the footsteps of Charles Darwin from the rotten gwke of Paihia past the young volcanoes of Puketona to Waimate North. In the afternoon visit Kawiti Caves to see in-situ Te Kuiti Limestone as described from there by Darwin. Drive home late afternoon or make own arrangements to stay longer.
    Costs: 3 nights motel accommodation ~$55 per person per night; Kawiti Caves entrance fee ~$25; your share of carpooling (~900 km; $50 pp). PLEASE BOOK ASAP (numbers limited - ALMOST FULL) with Maureen Burke by phoning her on 4190879 or emailing her at mandmburke@xtra.co.nz. NUMBERS ARE LIMITED, so first in get the worms. Maureen will confirm the booking with you and ask you to pay the accommodation cost of $170 pp as a deposit banked in the Geoclub Account - Kiwibank Account No: 38-9010-0285768-00, Put your name in the payment reference and Nthld. Please do NOT pay until given the nod by Maureen.
    CARPOOLING - Please let Maureen know when you book whether you plan to bring your car and how many total people you would take in it or let her know that you would like a lift in a car.

When & Where?

CLUB NIGHTS are on the THIRD TUESDAY OF EACH MONTH, except January, doors open 7.45PM, talks begin 8.00PM, at the Epsom Community Centre, 200 Gillies Ave, Epsom, Auckland.

NEW MEMBERS ARE INVITED TO JOIN US

ANY ENQUIRIES: Ring Bruce Hayward, during day, ph: 523 1667,
email b.hayward_at_geomarine.org.nz

GeoClub meeting location

 


Geocene Magazine

Geocene is a periodic publication of GeoClub, a section of the Auckland branch of the Geoscience Society of New Zealand.

Contributions about the geology of New Zealand (particularly northern New Zealand) from members are welcome. Please note articles are lightly edited but not refereed.

Please email the Editor, Jill Kenny - jill.kenny_at_xtra.co.nz (substitute @ for _at_).