That's not quite right! While crude oil is a natural resource found on Earth, it's not located in the Earth's crust itself. Here's the breakdown:

* Earth's Crust: The outermost layer of the Earth, composed of solid rock.

* Crude Oil: A thick, dark liquid formed over millions of years from the remains of ancient marine organisms buried under layers of sediment.

Here's where crude oil is found:

* Sedimentary Rocks: Crude oil is found within porous sedimentary rocks, like sandstone and limestone, which have been formed from layers of sediment accumulating over time.

* Reservoirs: These sedimentary rocks form underground reservoirs, often trapped by layers of impermeable rock (like shale).

So, while crude oil originates from the Earth's surface, it's found in the sedimentary layers beneath the crust, not in the crust itself.