Ke-tn̂g-chit

Ke-tn̂g-chit (Hàn-jī: 珪長質, Eng-gí: felsic) sī biâu-su̍t hóe-sêng-giâm sèng-chit ê hêng-iông-sû, ì-sù sī jī-sng-hòa ke-sò͘ ê hâm-liōng khah koân 65%. Jī-sng-hòa ke-sò͘ khah kē 65% ê gâm-chio̍h ū tiong-sèng, khó͘-thih-chit (苦鐵質), khó͘-thih-chit (超苦鐵質).

Chiū khòng-bu̍t lâi-kóng, ke-tn̂g-chit ê gâm-chio̍h ū kâⁿ khah chē tn̂g-chio̍h kah chio̍h-eng. Chiū hòa-ha̍k sêng-hūn lâi-kóng, ke-sò͘, sng-sò͘, nā-tú-lih, a-lú-mih, ka-lí ê pí-lē khah koân.

Lē

Hoa-kong-giâm kah liû-bûn-giâm (流紋岩) lóng sī ke-tn̂g-chit ê hóe-sêng-giâm.

• 
  Liû-bûn-giâm
• 
  Hoa-kong-giâm

Miâ-chheng

Ke-tn̂g-chit ê Eng-gí “felsic” sī “feldspar” (tn̂g-chio̍h) kah “silica” (jī-sng-hòa ke-sò͘) chit nn̄g ê sû kap chò-hóe lâi--ê. Ji̍t-gí “珪長質” ê hō-miâ mā sī chiàu kāng-khoán ê lí-lō͘, kiat-ha̍p “長石” (tn̂g-chio̍h) kah “二酸化珪素” (jī-sng-hòa ke-sò͘). Hân-gí kah Tâi-oân-ōe lóng sī tùi Ji̍t-gí chioh-sû.

Hôa-gí sī cho͘-ha̍p “長石” (tn̂g-chio̍h) kah “石英” (chio̍h-eng), chhòng-chō chhut “長英質” chit ê sû.

Mā thang khòaⁿ

• tiong-sèng-giâm
• khó͘-thih-chit
• chhiau-khó͘-thih-chit
• hóe-sêng-giâm