Shale is not Porous because it is a sedimentary rock.,
of course it's not true ,shale is a porous rock but it's pores are not connected in other words it's not permeable .here is a reason for that:
http://www.kgs.ku.edu/Dakota/vol1/petro/petro04.htm
(to a depth of 50 ft the formation is made of shale and it's porosity is around 50 percent
because it's grains aren't interlocking
Sandstone is extremely porous and absorbs liquids like a sponge.. Shale is nearly impervious to liquids.
Yes. It will depend on the type of rock. For a porous rock,such as sandstone or shale, the water can be within the rocks. For non-porous rocks it will be stored between the rocks.
Shale is a type of sedimentary rock composed of fine-grained sediment particles, including clay and silt. While shale is porous and can contain water within its pore spaces, it does not absorb water like a sponge. Instead, water can flow through the interconnected pore network in shale.
Slate is denser than shale because it has undergone more pressure and heat during the metamorphic process, causing it to become more compacted and less porous. This leads to a higher density in slate compared to the original sedimentary rock shale.
Shale can contain water, but it is not typically considered a primary aquifer like sand or gravel formations. Shale is a type of rock that is less porous and permeable, making it less capable of storing and transmitting water compared to other types of rocks. However, shale layers can still act as a confining layer that separates and protects aquifers above or below it.
Believe it or not, some porous rocks are considered impermeable. No rock is completely impermeable, but some porous rocks like shale and pumice are mostly impermeable, because the pores are not interconnected, thus not allowing fluids or gases to pass through them. This is why shale makes a good cap-rock, and pumice floats instead of sinking.
You don't make oil from shale, you extract oil from shale. The shale acts like a sponge, sometimes the shale is so porous that the oil can be squeezed or sucked out, otherwise it can be extracted by crushing and heating the shale.
Because sandstone has wider particles than shale and this let's the water through.
Mud cakes are typically made with sandstone rather than shale because sandstone formations are more porous and permeable, allowing for better filtration of drilling fluids during the drilling process. In contrast, shale formations are more impermeable and can cause drilling challenges due to their tendency to swell and trap drilling fluids. Sandstone formations are also more stable and less prone to collapsing, making them a preferred choice for maintaining wellbore integrity during drilling operations.
Coal is typically found in sedimentary rocks such as sandstone, shale, and limestone. Petroleum is found in sedimentary rocks as well, usually in porous reservoir rocks such as sandstone or limestone that are capped by impermeable rock layers like shale or mudstone.
Shale is a noun.