Discovery of a new fossil in the metamorphic rocks of the Hitachi district

Abstract

In the metamorphic rocks of the Hitachi district, the writer found a strange fossil as shown in Fig. 2. The metamorphic rock, in which the fossil was found, consists of anorthite, calcite, chloirte, sericite, quartz, carbonaceous matter and ore minerals, and is associated with limestones. The fossil has not yet been determined. It is probably a new type in Japan, but it is fairly similar to "conodont" (personal communication of R. ENDO). It is noteworthy that the anorthite was found with the fossil, and also with chlorite and sericite.