Published online by Cambridge University Press: 01 May 2009
An interesting discovery having just been made in consequence of the examination of a single thin slice of rock, the following communication is recommended to the attention of those geologists who, to say the least, still fail to recognize the value of the microscope in geological investigations.
page 481 note 1 Described by me in Quart. Journ. Geol. Soc. vol. xxxii. p. 407.Google Scholar
page 482 note 1 Quart. Journ. Geol. Soc. 1877–78, vols. xxxiii. and xxxiv.Google Scholar