What is the origin of magma?

What is the role of pressure in the formation of magma?

How does decompression melting occur in the Earth's crust?

What is a laccolith in relation to igneous formations?

What process results in the enrichment of rare elements in residual magma?

What type of pluton is concordant, running parallel to sedimentary rock layers?

What mineral resources can form from hydrothermal solutions related to igneous activity?

Which tectonic plate boundary process is associated with decompression melting and the formation of magma?

Which mineral forms early in cooling within a magma chamber and can enrich the residual melt with rare elements?