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AAPG Convention Department
PO BOX 979 Tulsa, OK 74101-0979
+1 888 945 2274 ext. 617 (Toll Free US and Canada)
+1 918 560 2617
convene@aapg.org

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pre-convention Field Trip #1

South Texas Geological Society (STGS)

Caves, Quarries, Springs and Missions: Geology, Water and the Settlement of San Antonio

Date:: Sunday, April 20, 9:00 a.m. – 4:00 p.m. (departs from and returns to the Convention Center)
Leader:: Dr. Thomas E. Ewing (Frontera Exploration Consultants, San Antonio, TX)
Fee: Professional: SOLD OUT Student: SOLD OUT
Includes:: Bus transportation, box lunch, guidebook and refreshments

San Pedro Springs, where water exits the Edwards Aquifer through the Austin limestone. These springs formed the basis for the first Spanish settlements.

Photo courtesy of Thomas E. Ewing

The San Antonio area is rich in sites of interest to the earth scientist. The exposed rock spans the time from 120 million years ago to present. The area lies within the Balcones and Luling fault systems and overlies the Quachita mountain belt. The trip will take you through local oil fields, a fascinating array of surface outcrops, karst features and other structures.

The city’s water supply comes entirely from a prolific carbonate aquifer – the Edwards Aquifer. Overpumping and contamination are subjects of constant debate. The trip will investigate recharge features (caves) in the Edwards Group, the natural springs that rise from the aquifer and the engineering of water by the 18th Century Spanish Missions. Large amounts of limestone are mined in the San Antonio area. Near downtown San Antonio, the trip will visit old Austin Chalk quarries that are now home to animals, students and golfers.

Note: This trip is suitable for all attendees and their spouses/guests.

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There are a limited number of sponsored registrations available for students on a firstcome basis. If you wish to register for one of the sponsored spots, please register online at www.aapg.org/sanantonio/registration.cfm. If sponsored space is no longer available, you can register at the full fee and/or you can place your name on the waiting list for a sponsored space in the field trip.

Important Notes Regarding Field Trips

Field trip enrollment is limited and reserved on a first-come basis. Registration must be accompanied by full payment.
If you register only for a field trip, a $30 non-registrant fee will be added to the field trip fee. This fee may be applied toward registration if you decide to attend the convention.
A wait list is automatically created if a field trip sells out. The AAPG Convention Department will notify you if space becomes available. Undersubscribed field trips will be cancelled.
Before purchasing non-refundable airline tickets, confirm that the trip will take place.
It is important that you note your gender on your registration form for room assignments.
Several weeks prior to the trip, participants will receive an itinerary with details of meeting points, transportation during the trip, phone and fax numbers and email addresses of hotels and trip leaders, etc. Please indicate your fax and email on your registration.
f any field trips meet your needs or the needs of your staff, you are encouraged to register early.
To help us better anticipate the number of attendees and avoid premature cancellation of field trips, please register well before March 20, 2008.
Neither AAPG or trip leaders maintain insurance covering illness or injury for individuals.

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pre-convention Field Trip #1

South Texas Geological Society (STGS)

Caves, Quarries, Springs and Missions: Geology, Water and the Settlement of San Antonio

ROSTER: next >

Important Notes Regarding Field Trips

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