Alaska-Aleutian Range Batholith: Geochronology, Chemistry, and Relation to Circum-Pacific Plutonism

Geology of the Prince William Sound and Kenai Peninsula region, Alaska: Including the Kenai, Seldovia, Blying Sound, Cordova, and Middleton Island 1:250,000-scale quadrangles

“…In the western part of the map area the Alaska-Aleutian Range batholith of Reed and Lanphere (1973) forms the backbone of the Alaska-Aleutian Range. The volcanoes of the Aleutian magmatic arc, such as Redoubt and Iliamna Volcanoes (most of Iliamna Volcano is just west of the western edge of the map area) are emplaced on top of this backbone and young volcanic rocks represent only a small fraction of the bedrock even in the immediate vicinity of these volcanoes.…”

Deep-water canyons and sequence-stratigraphic framework of the Upper Jurassic Naknek Formation, south-central Alaska

“…The Talkeetna arc batholith in lower Cook Inlet exhibits intermediate to felsic compositions (Reed and Lanphere, 1973;Reed and others, 1983; Rioux and Location map of the Iniskin-Tuxedni bays study area. The authors made detailed observations of the Naknek Formation at more than 325 localities (blue dots) during six field seasons.…”

Maps showing the resource assessment of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula with a section on geology of the Pyramid porphyry copper deposit, Alaska Peninsula, Alaska

“…Late Jurassic deposition of arkosic sandstone and siltstone (Jn) in a shallow-water shelf environment was followed by Early Cretaceous deposition of finegrained siltstone and shale (Kst) in a similar environment. These sedimentary rocks were derived from a gradually eroding source terrane composed in part of the Alaska-Aleutian Range bathcUth (Reed and Lanphere, 1973).…”