檢視碱性火成岩的原始碼

[[File:碱性火成岩.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E7%A2%B1%E6%80%A7%E7%81%AB%E6%88%90%E5%B2%A9&step_word=&hs=0&pn=6&spn=0&di=7260&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=898135912%2C1823571261&os=3045990095%2C2177603297&simid=4282217804%2C920854514&adpicid=0&lpn=0&ln=458&fr=&fmq=1623190600222_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F05imgmini.eastday.com%2Fmobile%2F20190202%2F20190202075006_b79dec0d23374126458c724b57a35751_3.jpeg%26refer%3Dhttp%3A%2F%2F05imgmini.eastday.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1625782609%26t%3D90be986d0e8c2b4d937271eaf7464265&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B2xfppy8mb_z%26e3Bv54AzdH3Fhj3tAzdH3F0ndmb0_z%26e3Bip4s&gsm=2&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][http://www.gxstty168.com/keji/732687.html 来自广西新闻网]]]
'''碱性火成岩'''此类火山岩的岩石化学特征与辉长岩-玄武岩类似,SiO245%～52%,FeO、MgO、CaO含量较高,属基性岩类。碱含高,K2O+Na2O>4%,可达9%,里特曼指数σ=3.3～9。矿物成分含碱性长石,暗色矿物为碱性暗色矿物、富钛辉石、富铁黑云母等。<ref>[https://baijiahao.baidu.com/s?id=1650156445637128905&wfr=spider&for=pc 火成岩：酸性岩类-花岗岩-流纹岩类]风雷说地质</ref>