A geochemical and lead-oxygen isotope study of a trachyte to rhyolite dominated eruptive center, Davis Mountain volcanic field, Trans Pecos volcanic province; evidence for fractional crystallization, magma mixing and crustal assimilation.
Ward, Robert Lee (1995) A geochemical and lead-oxygen isotope study of a trachyte to rhyolite dominated eruptive center, Davis Mountain volcanic field, Trans Pecos volcanic province; evidence for fractional crystallization, magma mixing and crustal assimilation.
| Authors | Ward, Robert Lee |
|---|---|
| Year | 1995 |
| Title | A geochemical and lead-oxygen isotope study of a trachyte to rhyolite dominated eruptive center, Davis Mountain volcanic field, Trans Pecos volcanic province; evidence for fractional crystallization, magma mixing and crustal assimilation. |
| Document type | Thesis-or-Dissertation |
| Degree | Master's Sul Ross State University. Alpine, TX, United States. Pages |
| GeoRef | 1998-028046 |
| Keywords | assimilation-; Cenozoic-; Davis-Mountains; Eocene-; fractional-crystallization; geochemistry-; igneous-rocks; isotopes-; lead-; magmas-; magmatism-; major-elements; metals-; Miocene-; mixing-; Neogene-; Oligocene-; oxygen-; Paleogene-; rhyolites-; Tertiary-; Texas-; trace-elements; trachytes-; Trans-Pecos; United-States; volcanic-rocks; volcanism-; West-Texas |
Abstract
The Davis Mountain volcanic field is represented by two temporally separate alkaline magma series
45 samples from this reference
| Sample | Rock name | Major | Trace | Isotope |
|---|---|---|---|---|
| DM 104 | Trachybasalt | yes | yes | yes |
| DM 102 | Trachybasalt | yes | yes | |
| DM112 | Basaltic-andesite | yes | yes | |
| DM110 | Trachybasalt | yes | yes | |
| DM117 | Trachybasalt | yes | yes | |
| DM119 | Trachybasalt | yes | yes | yes |
| DM144 | Basalt | yes | yes | |
| DM122 | Trachybasalt | yes | yes | |
| DM158 | Trachyte | yes | yes | |
| DM150 | Trachyte | yes | yes | |
| DM157 | Trachyte | yes | yes | |
| DM151 | Trachyte | yes | yes | |
| DM125 | Trachyte | yes | yes | |
| DM126 | Trachyte | yes | yes | |
| DM154 | Trachyte | yes | yes | yes |
| DM146 | Trachyte | yes | yes | yes |
| DM140 | Trachyte | yes | yes | |
| DM133 | Trachyte | yes | yes | yes |
| DM109 | Trachyte | yes | yes | yes |
| DM137 | Trachyte | yes | yes | yes |
| DM129 | Trachyte | yes | yes | |
| DM162 | Trachyte | yes | yes | |
| DM141 | Rhyolite | yes | yes | |
| DM108 | Rhyolite | yes | yes | |
| DM155 | Rhyolite | yes | yes | |
| DM115 | Rhyolite | yes | yes | yes |
| DM160 | Rhyolite | yes | yes | |
| DM106 | Rhyolite | yes | yes | |
| DM111 | Rhyolite | yes | yes | |
| DM121 | Rhyolite | yes | yes | |
| DM136 | Rhyolite | yes | yes | |
| DM107A | Rhyolite | yes | yes | yes |
| DM138 | Rhyolite | yes | yes | |
| DM116 | Rhyolite | yes | yes | |
| DM143 | Rhyolite | yes | yes | |
| DM114 | Rhyolite | yes | yes | |
| DM145 | Rhyolite | yes | yes | yes |
| DM113 | Rhyolite | yes | yes | |
| DM134 | Rhyolite | yes | yes | |
| DM120 | Rhyolite | yes | yes | |
| DM101 | Rhyolite | yes | yes | yes |
| DM130 | Rhyolite | yes | yes | |
| DM128 | Rhyolite | yes | yes | |
| DM118 | Rhyolite | yes | yes | |
| DM148 | Basaltic-andesite | yes | yes |