260px, Oguruwa shell mounds-Flexed burial The is an

archaeological site An archaeological site is a place (or group of physical sites) in which evidence of past activity is preserved (either prehistoric or recorded history, historic or contemporary), and which has been, or may be, investigated using the discipline ...

with a

shell midden A midden is an old landfill, dump for domestic waste. It may consist of animal bone, bones, feces, human excrement, botanical material, mollusc shells, potsherds, Lithic flake, lithics (especially debitage), and other Artifact (archaeology), ...

and

Jōmon period In Japanese history, the is the time between , during which Japan was inhabited by the Jōmon people, a diverse hunter-gatherer and early agriculturalist population united by a common culture, which reached a considerable degree of sedentism an ...

settlement site located in the Yamashitatori neighborhood of Mizuho ward of

Nagoya is the largest city in the Chūbu region of Japan. It is the list of cities in Japan, fourth-most populous city in Japan, with a population of 2.3million in 2020, and the principal city of the Chūkyō metropolitan area, which is the List of ...

Aichi Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,461,111 () and a geographic area of with a population density of . Aichi Prefecture borders Mie Prefecture to the ...

in the

Tōkai region The is a subregion of the Chūbu region and Kansai region in Japan that runs along the Pacific Ocean. The name comes from the Tōkaidō, one of the Edo Five Routes. Because Tōkai is a sub-region and is not officially classified, there is ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. The site was designated a National Historic Site of Japan in 1941.

Overview

During the early to middle Jōmon period (approximately 4000 to 2500 BC), sea levels were five to six meters higher than at present, and the ambient temperature was also 2 deg C higher. During this period, the Kantō region was inhabited by the

Jōmon people The Jōmon (縄文) were a prehistoric hunter-gatherer culture that inhabited the Japanese archipelago approximately between 14,000 BC and 300 BC. Both genetically and culturally, the Jōmon are among the earliest known ancestors of the modern ...

, many of whom lived in coastal settlements. The

midden A midden is an old dump for domestic waste. It may consist of animal bones, human excrement, botanical material, mollusc shells, potsherds, lithics (especially debitage), and other artifacts and ecofacts associated with past human oc ...

s associated with such settlements contain

bone A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, ...

botanical Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

material,

mollusc shell The mollusc (or mollusk) shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled ...

sherd This page is a glossary of archaeology, the study of the human past from material remains. A B C D E F ...

lithics Lithic may refer to: *Relating to stone tools ** Lithic analysis, the analysis of stone tools and other chipped stone artifacts ** Lithic core, the part of a stone which has had flakes removed from it ** Lithic flake, the portion of a rock removed ...

, and other artifacts and

ecofact In archaeology, a biofact (or ecofact) is any organic material including flora or fauna material found at an archaeological site that has not been technologically altered by humans yet still has cultural relevance. Biofacts can include but are n ...

s associated with the now-vanished inhabitants, and these features, provide a useful source into the diets and habits of Jōmon society. Most of these middens are found along the

Pacific coast Pacific coast may be used to reference any coastline that borders the Pacific Ocean. Geography Americas North America Countries on the western side of North America have a Pacific coast as their western or south-western border. One of th ...

of Japan. The Ōguruwa Shell Midden was discovered during the construction of the Mizuho Athletic Stadium in 1939, and despite the designation as a national historic site in 1941, construction of the stadium proceeded over the site. In 1980, when an old stand was demolished for reconstruction of the stadium, it was confirmed that the shell midden remained in good condition, and an

archaeological excavation In archaeology, excavation is the exposure, processing and recording of archaeological remains. An excavation site or "dig" is the area being studied. These locations range from one to several areas at a time during a project and can be condu ...

of about 2200 square meters found a complex ruins from the early Jōmon period with four shell middens. The middens mainly consisted of shells from large oysters and crabs, and had a thickness of over one meter. The ruins of the settlement are located in the estuary flood plain of the Yamazaki River, with sand and gravel layers containing rubble of a large size. The Shimouchida Kaizuka found on the opposite bank of the Yamazaki River is also considered to be part of the same settlement, which was occupied through the

Yayoi period The Yayoi period (弥生時代, ''Yayoi jidai'') (c. 300 BC – 300 AD) is one of the major historical periods of the Japanese archipelago. It is generally defined as the era between the beginning of food production in Japan and the emergence o ...

into the

Kofun period The is an era in the history of Japan from about 300 to 538 AD (the date of the introduction of Buddhism), following the Yayoi period. The Kofun and the subsequent Asuka periods are sometimes collectively called the Yamato period. This period is ...

. The site also had numerous tombs from the late Jōmon period, with many

grave goods Grave goods, in archaeology and anthropology, are items buried along with a body. They are usually personal possessions, supplies to smooth the deceased's journey into an afterlife, or offerings to gods. Grave goods may be classed by researche ...

, including stone axes,

Jōmon pottery The is a type of ancient earthenware pottery which was made during the Jōmon period in Japan. The term "Jōmon" () means "rope-patterned" in Japanese, describing the patterns that are pressed into the clay. Outline Oldest pottery in J ...

and jewelry, as well as several almost complete human remains. The human remains were buried in a fetal position, and are unique in that the bones of a dog were also found on the chest of each body, indicating that they were buried together. In addition to the tombs, the foundations of several pit dwellings were found. The excavated items are stored in the

Nagoya City Museum The is a museum of the city of Nagoya in Aichi Prefecture, Japan. The Nagoya City Museum was established in 1977. Its collection includes archaeological materials, fine art, crafts, documents, books and folk materials including samurai armor a ...

References

External links

Nagoya city Mizuho Ward office site

{{in lang, ja History of Aichi Prefecture History of Nagoya Historic Sites of Japan Jōmon-period shell middens

Overview

See also

References

External links