\ɪntɹˈuːsɪv ɹˈɒks], \ɪntɹˈuːsɪv ɹˈɒks], \ɪ_n_t_ɹ_ˈuː_s_ɪ_v ɹ_ˈɒ_k_s]\
Definitions of INTRUSIVE ROCKS
- 1874 - Etymological and pronouncing dictionary of the English language
- 1895 - Glossary of terms and phrases
Sort: Oldest first
In geol., applied to those igneous rocks which seem to have thrust themselves, while in a state of fusion, between the beds of the stratified formations.
By Stormonth, James, Phelp, P. H.
[L.] (Geol.) Igneous rocks which have thrust themselves in sheet-like masses, vertical, oblique, or flat, through or between sedimentary strata, affecting them on both sides, or above and beneath; some igneous rocks are contemporary and interstratified with sedimentary strata, altering only the strata beneath them.
By Henry Percy Smith
Word of the day
- Nocodazole is an antineoplastic agent which exerts its effect by depolymerizing microtubules.