The size of the Qatar Arch and the apparent lack of salt piercement
structures along its axis suggest that it is not itself a halokinetic feature and that it is probably a basement uplift.
The Allen Dome is a piercement
salt dome discovered by Shell Oil Company in 1928 and is located 50 miles south of Houston in Brazoria County, Texas.
They also saw, on the Ringnes islands and Axel Heiberg Island, numerous piercement
structures (salt domes) penetrating the Mesozoic strata.
The difficulty was caused by the frequency of the piercement
of the film by the contacts of low resistance, among the surfaces' asperities or conductive particles'.
Gravity data centers this feature directly above Ruth Salt Dome, a shallow piercement
type salt dome.
The Gulf Coast region of Texas and Louisiana contains a number of sulfur deposits in the caprock of piercement
There are many Hormuz salt piercement
In contrast to the non-piercement
structures, the offshore piercement
features form narrow, slim chimneys resulting in islands with surface areas of 3 to 6 sq km.