At the end of 19th century, tsarist Russia extended itstentacles to the Dalian Port to seek ice-free port and spoliate the economic interests innortheast China.
This is the first report on the ophiolite suite, which consists of metasediment, meta-basalt, metadiabase, metagabbro, metapyroxene and metasilicith, in the Wenjiashi area, northeastern Hunan.