About: http://webisa.webdatacommons.org/99371393

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Because the minerals are fine-grained, it is much more difficult to distinguish between the different types of extrusive igneous rocks than between different types of intrusive igneous rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org