Stratigraphy, Crinoid Columnals, and Radiometric Age of Carboniferous Kanayama Limestone Embedded in the Cambrian Hitachi Volcano-plutonic Complex

Tagiri, Michio; Oji, Tatsuo; Ando, Hisao; Hanawa, Katsutoshi; Oikawa, Akira; Kato, Taichi

doi:10.5026/jgeography.134.275

Public

Stratigraphy, Crinoid Columnals, and Radiometric Age of Carboniferous Kanayama Limestone Embedded in the Cambrian Hitachi Volcano-plutonic Complex

Shared by NobleBlocks on Jun 25, 2025 • 12:00 AM UTC

Authors:

Michio Tagiri

Tatsuo Oji

Hisao Ando

Abstract

The stratigraphic relationship of Kanayama limestone which is approximately 20 m thick and is narrowly distributed 700 m long in the strike direction within the Akazawa Formation of the Cambrian Hitachi volcano-plutonic complex, is examined. The complex including the Akazawa Formation was metamorpho...

Subject

Carboniferous

Geology

Crinoid

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