INTRUSIVE ROCKS
\ɪntɹˈuːsɪv ɹˈɒks], \ɪntɹˈuːsɪv ɹˈɒks], \ɪ_n_t_ɹ_ˈuː_s_ɪ_v ɹ_ˈɒ_k_s]\
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[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
Health Personnel Attitudes
- Attitudes of personnel toward their patients, other professionals, the medical care system, etc.