A descriptive petrography of the igneous rocks

Mode of access: Internet.

Igneous and metamorphic rocks of parts of Sequoia and Kings Canyon National Parks, California.

Mode of access: Internet.

Igneous rocks and their origin,

"This book gives the substance of a course of lectures prepared for students in Harvard university and in the Massachusetts institute of technology." Pref.

Igneous rocks; composition, texture and classification, description and occurrence,

Vol. 1, 2d ed. rev., 1920.

The gabbros and associated hornblende rocks occurring in the neighborhood of Baltimore, Md.,

Mode of access: Internet.

The Roman comagmatic region.

Bibliography: p. 192-194.

Description of Arthur's Seat volcano.

Bibliographical footnotes.

Essai sur l'histoire naturelle des roches de trapp : contenant leur analyse, & des recherches sur leurs caractères distinctifs suivi du tableau systématique de toutes les espèces & variétés de trapps & des roches qui ont pour base cette pierre /

Half title-page.

Die Basalt-Gebilde in ihren Beziehungen zu normalen und abnormen Felsmassen,

Mode of access: Internet.

Isotopic ages and stratigraphy of Cenozoic rocks of the Marysvale volcanic field and adjacent areas, west-central Utah /

Mode of access: Internet.

Age and tectonic significance of volcanic rocks in the northern Los Angeles basin, California /

Mode of access: Internet.