There are literally dozens of good project management software applications out there, with Microsoft Project being one of the most popular mid-range project management packages, and the likes of Primavera being popular at the higher end. 1  IT leadership & CW500.  IT architecture.
The most common intrusive rock is granite, whereas the most common extrusive rock is basalt.
Intrusive rocks are a type of igneous rock. Igneous rocks are rocks that form from cooled magma. Intrusive rocks are igneous rocks that form from crystallized magma beneath the earth's surface. The other main category of igneous rocks is extrusive rocks, which are igneous rocks formed on the surface.