hornblende andesite
1Hornblende andesite porphyry — is an intermediate volcanic igneous rock. Like most porphyrys, it cooled at two separate rates, causing two sizes of crystals to be visible. Source: [http://osdir.com/ml/culture.stone/2006 02/msg00238.html] …
2Andesīte — Andesīte, jüngere vulkanische Gesteine von porphyrartiger Struktur, bestehen aus einer in der Regel glasreichen Grundmasse und aus darin ausgeschiedenem Plagioklas (daneben zuweilen Sanidin), Hornblende und Augit, seltener Hypersthen und Glimmer …
3Andesite — Andésite Un échantillon d andésite (en noir) avec des inclusions de zéolite …
4Hornblende — Amphibole Hornblende General Category Igneous, metamorphic Chemical formula Ca2 …
5Hornblende — Catégorie IX : silicates[1] Hornblende Général …
6Andesite — An des*ite, n. (Min.) An eruptive rock allied to trachyte, consisting essentially of a triclinic feldspar, with pyroxene, hornblende, or hypersthene. [1913 Webster] …
7Hornblende-Andesit — Hornblende Andesit, Gestein, s. Andesite …
8andesite — [an′də zīt΄] n. [after ANDES (MOUNTAINS) + ITE1] a dark colored, fine grained, extrusive igneous rock consisting chiefly of plagioclase feldspars with some biotite, hornblende, or pyroxene …
9Andesite — For the extinct cephalopod genus, see Andesites. Andesite (pronEng|ˈændəsaɪt) is an igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. The mineral assemblage is typically dominated by plagioclase plus… …
10andesite — GLOSSARY OF VOLCANIC TERMS A grey to grey green colored volcanic rock containing 53% to 63% silica (compositionally between basalt and dacite). Minerals commonly found in andesite include intermediate composition plagioclase and hornblende. USGS… …