Salt diapirs of the great kavir central iran pdf

Late paleoceneeocene reflectors appear to onlap at angles of approximately 5 onto the monan, mungo, and south pierce diapirs, sug. Despite their different surface expressions, the salt diapirs of the great kavir in iran figures 6a and 6b were investigated as structural analogs for the cantaloupe terrain, i. The park is located 120 kilometers south of tehran and 100 kilometers east of qom, and it sits on the western end of one of irans two major deserts, the dashte kavir great salt desert. Because, the salt diapirs shapes and orientations follow the main structural trends in different basins of central iran. The head and left foot of salt man 1 are on display at the national. Schematic figure illustrating mechanisms of overpressure generation and pressure deflation in the ara stringers. The saltmen were discovered in the chehrabad salt mines, located on the southern part of the hamzehlu village, on the west side of the city of zanjan, in the zanjan province in iran.

Multiphase halokinesis in the nordkapp basin sciencedirect. If regional compression is applied to salt diapirs, then diapirs can create more than 1 km of freeboard e. Geological society of america, boulder, colorado, 9 p. Salt structures and hydrocarbons in the pricaspian basin. Subsurface seismic record of salt glaciers in an extensional. The great kavir the largest salt desert in iran with more than 50 diapirs has surrounded the eastern and southern part of tehran province. The hundreds of bodies of salt exposed in iran are almost unique and are obvious targets for studying salt movements and their causes. Salt diapirs of the great kavir, central iran salt. Keywords central iran salt diapirs 4 hazardous wastes 4. B tectonic map of iran showing the main tectonic provinc es and the main cenozoic fault trends associated with.

Pdf salt structures and hydrocarbons in the pricaspian basin. Westcentral alborz and lesser caucasus hinterland, 10. More than 200 piercement salt plugs are present in southern iran and in the persian gulf region. The diapiric province of great kavir basin, south of semnan can be considered the most extensive salt basin of central iran, because, based on previous studies, such as jackson et al. The qom and garmsar basins are the nearest salt diapirs to tehran province, and there are suitable repository for waste disposal. The diapirs large sizes as much as 10 km wide, abundance, spectacular degree of exposure, and correlatable stratigraphy within them constitute a.

Vertical sections through two symmetric mushroom diapirs in the great kavir, central iran citation jackson, m. One of the most interesting salt structures is salttongue canopy. Omeongaa possible large impact structure on the eastern. Great kavir diapirs have been investi gated as a case study. Dashte kavir, the great salt desert amusing planet. Nondiapiric salt domes in the west zanjan, central iran. Clustering of diapiric provinces in the central iran basin.

In the northern domain of the great kavir basin these sediments occur as 50 very large salt diapirs. Salt domes with 50 m of topography would divert most of the gravity flow. The diapirs large sizes as much as 10 km wide, abundance, spectacular degree of exposure, and correlatable stratigraphy within them constitute a remarkable and unrivaled array of features. Kavir national park is a protected ecological zone in northern iran. Salt diapir or piercement structure with a central, nearly. One of my greatest recommendations, worthy of posting on tt, is the kavir guest house in khur khor, north of garmeh in the dashte kavir desert in central iran. Located in a basin southeast of the elburz mountains, it is approximately 240 miles 390 km wide. In central iran tertiary, salt reaches the surface in many places. In that case, the density gradients result from di erences in evaporation rate. Kavir desert, persian dashte kavir, also spelled dashti kavir, great salt desert of northcentral iran. Coalesced salt bodies, first deduced as 2dome structures on the basis of gravity modeling along the coastal salina basin, southwest gulf of mexico, then mapped as a 12dome coalesced structure called a salt canopy in the great kavir of central iran. By continuing to use our website, you are agreeing to our privacy policy. Structural development of a major late cenozoic basin and.

An integrated, multiscale approach to salt dynamics and. Salt diapirs in the great kavir have spread to diameters of about 6 km since the miocene. It only opened in mid last year, thus hasnt made it into any guidebooks and is only referred to by a dutch couple in one post. In subbasins where their centre points are only 6 km apart, the resulting bulbs have coalesced to.

The observed salt upwellings may be the result of a similar unstable mechanism 21. The final chapter in especially the great kavir basin. This is a characteristic of salt canopies observed in parts of the great kavir of central iran jackson et al. The lack of soil and vegetation in the kavir desert in central iran allows the geological structure of the rocks to appear quite clearly. Salt diapirs of the great kavir, central iran nasaads. Recent investigations have shown the salt, the hormuz series, to be largely of precambrian late proterozoic age. The honeycomb terrain on the hellas basin floor, mars.

There is a good balance between text and figures, and the figures are very good, be it the photos, maps, graphics or principle sketches. Geological and geophysical study of salt diapirs for hazardous. The central iran basin has a few salt provinces and in this paper, morphotectonic concept of the salttongue canopy on the west of garmsar city has been investigated. The hydrostatic pressured stringers become overpressured as soon as the stringers are sealed by impermeable salt.

One classic area of salt tectonics is the central european basin system cebs. Pdf role of rifting in evaporite deposition in the great. Abstract the northern paradox basin evolved during the late pennsylvanianpermian as an immobile foreland basin, the result of flexural subsidence in the footwall of the growing uncompahgre ancestral rocky mountain thick. Integrated interpretation of seismic and magnetotelluric. We would like to show you a description here but the site wont allow us. Low plains in classical persian, from khwar low, and dasht plain, flatland, also known as kavire namak lit. Analogue and geophysical modelling of the garmsar salt. Recommendation kavir guest house khur in central iran. Role of rifting in evaporite deposition in the great kavir basin, central iran article pdf available in geological society london special publications 2851. January 1992 salt diapirs of the great kavir, central iran. By 2010, the remains of six men had been discovered, most of them accidentally killed by the collapse of galleries in which they were working. Structural geology by haakon fossen cambridge core.

Therefore, central irans salt diapirs have triggered by tectonic forces, but. Deformation and recrystallization mechanisms in mylonitic shear. Travel the heart of the kavir, irans great desert realm. Role of rifting in evaporite deposition in the great kavir. The university of texas at austin bureau of economic geology university station, box x austin, texas 7878924. Role of rifting in evaporite deposition in the great kavir basin. Salt diapirs of the great kavir, central iran nhbs. According to age and geological setting of salt deposits that revealed by tectonic geomorphology methods, salt structure provinces of the central and southern iran have been distinguished. In the northern domain of the great kavir basin these sediments occur as 50 very large salt diapirs, as well as outcrops in several areas, including the melheh salt pit to the south of semnan, north central iran.

Elastic diurnal movements of masses of tertiary salt. Salt diapirs of the great kavir, central iran geoscienceworld. Main fault system and distribution of diapirs in the great kavir basin jackson et al. More than 50 salt diapirs are exposed on a pediment swell in the northern great kavir, the largest salt desert in iran. The tehransemnan highway have made on the northern parts of garmsar salttongue canopy. Central iran salt 1 or extract oil from beneath sheets of allochthonous salt in golf of mexico 2 requires a thorough understanding of how natural bodies of salt deform. Deformation and recrystallization mechanisms in mylonitic. Tectonic geomorphology of irans salt structures scientific. Evolution of salt structures in the northern paradox basin. Geological and geophysical study of salt diapirs for.

Distribution and mechanisms of overpressure generation and. Nevertheless, his interest in the geology of iran continued. Everyone in need of structural geology and thats quite a few of us will certainly find this book very useful. Pdf tectonic geomorphology of irans salt structures. Professional summary july 8, 2008 business address. It is about 800kilometrelong 500 mi by 320kilometrewide 200 mi with a total surface area of about 77,600 km 2. The university of texas at austin, bureau of economic geology, report of investigations no. Pdf the thick middle miocene evaporites of the great kavir basin. Siahkuh black mountain, a large, semicircular rock outcropping sits in roughly. Here, the mobile permian zechstein salt formed a large number of salt structures such as anticlines, diapirs, pillows, sheets, stocks, and walls during an extended period of salt tectonic activity in mesozoic and cenozoic times. Iran has a various salt structures that their tectonic geomorphology is subject of this paper. Geologic situation of salt structures in iran have determinate. Bathymetric control on paleocene gravity flows around salt.