Creator

Allan Ludman

Preview

image preview

Contributing Institution

Maine Geological Survey

Document Type

Image

Identifier

70464

Description

Figure 15. Characteristic Oosm rock types. (A) Agglomerate with exotic felsic volcanic fragments in basaltic matrix; (B) Agglomerate with endogenous (black) and exotic (gray) fragments in chloritized greenstone matrix. (C) Photomicrograph (O) of greenstone showing pyroxene phenocrysts in fine-grained chlorite-rich matrix. (D) Photomicrograph (X) of lava or subvolcanic intrusive showing skeletal, saussuritized feldspar phenocrysts in chloritized matrix.
Project Name: Bedrock Geology 24k Greenfield

Supplemental Rights

Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.

Keywords

bedrock mapping; Greenfield quadrangle

 
COinS