PRIMARY ROCKS
\pɹˈa͡ɪməɹi ɹˈɒks], \pɹˈaɪməɹi ɹˈɒks], \p_ɹ_ˈaɪ_m_ə_ɹ_i ɹ_ˈɒ_k_s]\
Sort: Oldest first
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[L.] In the early days of Geol., = non-fossiliferous, opposed to Secondary or fossiliferous. Now the Palaeozoic are = Primary, being the first met with in the ascending scale. The actual primitive rocks are not supposed to exist now, having been all worn away or altered.
By Henry Percy Smith
