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The associated unconformity also helped in the development of secondary porosity. Email alerts New issue alert. Geographic Location of the basin The Cambay rift Basin, a rich Petroleum Province of India, is a narrow, elongated rift graben, extending from Surat in the south to Sanchor geologh the north.
The early Danian hyperthermal event at Boltysh Ukraine: Throughout the geological history, except during early syn— rift stagethe North Cambay Basin received major clastic inputs from north and northeast, fed by the Proto—Sabarmati and Proto—Mahi rivers. Research Article March 01, Pliocene was a period of both low and high strands of the sea level, allowing the deposition of sand and shale.
Petroleum geology of the Cambay Basin, Gujarat., India in SearchWorks catalog
Shales within the Miocene section in the Broach depression might have also acted as source rocks. Close mobile search navigation Article navigation.
During Pleistocene to Recent, the sedimentation was mainly of fluvial type represented by characteristic deposits of coarse sands, gravel, clays and kankar followed by finer sands and clays, comprising Gujarat Alluvium. View Full GeoRef Record. Volume 86, Number 3.
We evaluated the source potential of three Paleogene formations, identified the effective source rocks, and determined their maturation histories to derive exploration leads and inputs for petroleum system study. In the north, the basin narrows, but tectonically continues beyond Sanchor to pass into the Barmer Basin of Rajasthan. Oligocene — Lower Miocene marks another phase of tectonic activity with extensive deposition of coarser clastic sediments in the central and southern blocks.
The Early Tertiary sediments ranging in age from Paleocene to Early Eocene represent syn-rift stage of deposition that was controlled by faults and basement highs in an expanding rift cambsy.
Some fields in India's North Cambay basin have oil derived from nearby lignite seams
Previous Article Next Article. Subsidence of the basin resulted in the accumulation of a thick sequence of euxinic black shales with subordinate coarser clastics. In the northern part of the Ahmedabad-Mehsana Block, coal, which is well developed within the deltaic sequence in Kalol, Sobhasan and Mehsana fields, is also inferred to be an important hydrocarbon source rock.
Cambay Basin Basin Introduction: D — Goldschmidt Abstracts Mineralogical Magazine. During Miocene The depocenters continued to subside resulting in the deposition of enormous thickness of Miocene sediments as the Babaguru, Kand and Jhagadia formations.
A Renaissance in U. The Bouguer anomaly map has helped in identification of the major structural highs and lows in the basin. A total of more than 30, LKM of conventional data has been acquired. Sign In or Create an Account. Reservoir Rock There are a number of the reservoirs within the trapwacke sequence of cabmay Olpad Formation.
The NW-SE Dharwarian tectonic trends got rejuvenated creating a narrow rift graben extending from the Arabian sea south of Hazira to beyond Tharad in the north.
From north to south, the blocks are:.
W — Goldschmidt Abstracts Mineralogical Magazine.