#Adobe revel mark schmidt series#

Slope changes and airphoto interpretation reveal topographic steps associated with the faults shown in (b). (c) Total Station derived topographic profile and slope distributions across the Cheskin Anticline, showing reversal of slope from NE dipping (negative slope) to SW dipping (positive slope) across the anticline. Inset: Schematic topographic and geological cross-section of the Cheskin Anticline, showing inferred position of the Cheskin thrust faults and backthrust, major features of the fold (forelimb, hinge, backlimb) and distribution of alluvial fan deposits see text for interpretation. (b) SSW–NNE oriented topographic cross-section from Ipak Fault to the Sagzabad Cluster tell sites, showing inferred dip of the Ipak and Cheskin Faults. Inferred position of Cheskin Fault shown. (a) View looking north from alluvial surface across the Cheskin Anticline, showing prominent topographic expression associated with hangingwall folding and uplift. All sections oriented at an azimuth of ~030° with a look direction to the WNW. Tectonic geomorphology of the Cheskin Anticline and underlying thrust fault. However, temporal coincidence does not necessitate a fundamental causative dependency. The coincidence of major climate changes, earthquake activity, and varying sedimentation styles with changing patterns of human occupation on the Hajiarab fan indicate links between environmental and anthropogenic systems. 8830 yr BP, possibly reflecting an increase in moisture following the early Holocene arid phase. Mapping and optically stimulated luminescence (OSL) chronology of the alluvial sequences reveals changes in depositional style from coarse grained unconfined sheet flow deposits to proximal channel flow and distally prograding alluvial deposits sometime after ca.

#Adobe revel mark schmidt series#

Palaeoseismic investigations indicate that large active fault systems in close proximity to the tell sites incurred a series of large (M W ~7.1) earthquakes with return periods of ~500-1000 years during human occupation of the tells. 7550-6750 yr BP, coinciding with the settlement of Zagheh, and a peak in aridity at ca. Multi-proxy climate data from nearby lakes in northwest Iran suggest a transition from arid early Holocene conditions to more humid middle Holocene conditions from ca.

Well-resolved archaeological data from the neighbouring settlements of Zagheh (7170-6300 yr BP), Ghabristan (6215-4950 yr BP) and Sagzabad (4050-2350 yr BP) indicate that Holocene occupation of the Hajiarab alluvial fan was interrupted by a 900 year settlement hiatus.

In order to investigate the extent to which Holocene environmental changes may have impacted on cultural evolution, we present new geologic, geomorphic, and chronologic data from the Qazvin Plain in northwest Iran that provides a backdrop of natural environmental changes for the simultaneous cultural dynamics observed on the Central Iranian Plateau. For thousands of years, humans have inhabited locations that are highly vulnerable to the impacts of climate change, earthquakes, and floods.