open sand

open sand

[′ō·pən ¦sand]
(geology)
A formation of sandstone that has porosity and permeability sufficient to provide good storage for oil.
References in periodicals archive ?
Snowy plovers nest in dry, open sand along the beach, so it's very important that visitors stick to the designated paths, instead of traipsing off willy-nilly across the dry sand to reach the shore.
What is it like running in the open sand for so long?
Prior Information Notice: Substitution open sand filter to sugsandfilter - bridge indoor.
On one side was lush seagrass full of shrimp, crabs and small minnows, while the other side represented open sand with clams and small crabs.
These annual species are commonly associated with disturbance, but we rarely find them growing in the open sand between dominant perennials of a mature dry sand prairie.
According to civil defence sources, heavy rains turned most of the internal roads and open sand spaces into pools of water.
The Countryside Council for Wales (CCW) aims to create small, new areas of bare, open sand and dune slacks, which will boost the survival chances of some of the sand dunes' rarest plants and insects - including petalwort, sand wasps, mining bees and rare beetles.
seedlings over one growing season (6 mo) after planting and environmental conditions in the near panne (160 seedlings in 8 plots), under canopy (80 seedlings in 4 plots), and open sand (60 seedlings in 3 plots) areas at West Beach in Indiana Dunes National Lakeshore.
All 46 resource consents the company needs to build the plant and open sand, coal and limestone quarries were granted by the Otago Regional Council and Waitaki District Council in February 2008, and were later confirmed by the Environment Court.
The original trails connecting the Presidio with Mission Dolores and the village of Yerba Buena crossed through an area of open sand dunes and grasslands facing San Francisco Bay and the Golden Gate.
We were equally impressed with the remarkable camouflage of this small octopus species even when it was stationary yet entirely exposed on top of the open sand," said Hanlon.