Wrench Tectonics in Turkey

A team of South Dakota School of Mines and Technology professors will be guiding a field seminar in late September to the Anatolian plate to look at wrench tectonics. According to many structural geologists, the outcrops in Anatolia (southern Turkey) are just absolutely stunning and give great insight into the way that deformation occurs during tectonism.

Are you interested in going?  If you can’t go, would you be interested in attending an e-symposium that would show many of the features along with providing geological context / history?

Alvis Lisenbee, South Dakota School of Mines and Technology, Rapid City, SD; Nuri Uzunlar, South Dakota School of Mines and Technology, Rapid City, SD; Okan Tuysuz, Istanbul Technical University, Istanbul, Turkey
September 26 – October 1, 2011
Begins and ends in Istanbul, Turkey
$2,980.00 Sign Up Now
(increases to $3,080 after 8/15/2011); Includes food, lodging, transportation from Istanbul, course notes. No refunds for cancellations after 8/15/2011.

Upon completion of this field seminar, participants will be able to:

Recognize structural features associated with strike-slip fault zones utilizing both geologic maps and larger-scale field exposures.
Identify, in the field, mesoscopic-scale structural features associated with strike-slip faulting.
Associate the types and geometries of individual structures and the patterns of groups of structures with the movement sense of larger-scale fault zones.
Recognize the potential for pre-existing (e.g., Tethyan) structural grain to control the location of younger faults.
During the seminar, the presenters and attendees will examine structural features associated with strike-slip faulting at two scales within a plate tectonic setting. The study utilizes excellent field areas in Anatolia, the Asian portion of Turkey.

The inactive, intra-plate Davutoglan Fault (100’s of meters of offset) displays, in remarkable exposures, structures developed in the early phase of wrench faulting. The attendees will examine, and discuss on the outcrop, features related to fault surfaces, fault zones, en echelon folds and small faults, interaction of fault strands and use the geometry of these features to understand the sense of fault movement. We will also examine alteration of the country rock and associated evidence of fluid flow and clastic dike injection along fault zones.

The active North Anatolian Fault (10’s of kms of offset) separates the Anatolian and Eurasian plates. Along this zone of deformation we will examine geologic maps, specific exposures, and overview sites relating to examine geomorphology, contrasting terrains of the two adjacent plates, multiple fault strands and associated small-scale basins, en echelon fold trains, and faults as well as piercing-point evidence of offset associated with this major crustal break.

Both fault zones are overprinted, at least in part, upon neo-Tethyan sutures zones. Potential relationships will be presented in lectures and will be discussed at selected stops in the beautiful country side of northern Turkey.

Participants should plan to bring along field clothing, geologic hammer, Brunton compass, field notebook, sun screen, field gear.

Last 5 posts by Susan Nash

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