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.
Extrusive igneous rock is one of two different types of igneous rocks. The other kind is intrusive igneous rock. Intrusive igneous rock is formed when magma in Earth's lithosphere cools and hardens.