1) 中性岩 Parts 中性 岩 Link copied! Meaning Wikipedia EN In igneous petrology an intermediate composition refers to the chemical composition of a rock that has 52-63 wt% SiO2 being an intermediate between felsic an... More Kanji 中 チュウ in, inside, middle 性 セイ sex, gender, nature 岩 ガン boulder, rock, cliff