Archaeology Determines the Age of Owl Creek Mounds

Archaeology Determines the Age of Owl Creek Mounds (HM1LBE)

Location: New Houlka, MS 38850 Chickasaw County
Country: United States of America
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N 34° 3.385', W 88° 55.458'

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Owl Creek Mounds were built between 800 and 900 years ago and were used for only about 100 years. This was determined by the dating of charcoal samples collected at the site and by studying the artifacts and type of building remains found in the mounds.

Artifacts provide an easy method for establishing the time period of a site. Pottery, even in broken pieces, works especially well. For example, people of the Mississippian culture made pots with crushed mussel sheel added to the clay as temper. Pottery tempered with crushed mussel shell was found in all five mounds.

Using wall trenches in the construction of buildings is also typical of the Mississippian cultures. The builders dug narrow trenches where each wall was to be placed. They then set the posts, sometimes in postholes dug in the bottom of the trenches. The wall trenches were filled with dirt to hold the posts in place. Archaeological excavations found wall trenches in Mounds I, II, and IV. This method of construction also confirms that the mounds were built during the Mississippian period.

Archaeologists discovered the age of the mounds by using the radiocarbon method to date charcoal samples. This tells how much time has passed since the charred remains were living organisms such as trees or corn plants. All living things absorb carbon-14, along with stable carbon-12, from the atmosphere. When they die, this absorption stops while the carbon-14 in their tissues continues to decay radioactively. Since we know how fast carbon-14 decays, measuring the amount left can provide a date for each charcoal sample.

Small amounts of charcoal were carefully collected from a wall trench and postholes in Mounds I, II, and V. The radiocarbon lab counted the amount of radioactive carbon-14 left in each sample. Five different radiocarbon dates were determined. The dates spanned from the period A.D. 1133 to A.D. 1219.
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HM NumberHM1LBE
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Placed ByUnited States Forest Service and Mississippi State University
Marker ConditionNo reports yet
Date Added Thursday, June 25th, 2015 at 10:04am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)16S E 322400 N 3770081
Decimal Degrees34.05641667, -88.92430000
Degrees and Decimal MinutesN 34° 3.385', W 88° 55.458'
Degrees, Minutes and Seconds34° 3' 23.1" N, 88° 55' 27.48" W
Driving DirectionsGoogle Maps
Area Code(s)662
Which side of the road?Marker is on the right when traveling West
Closest Postal AddressAt or near 1153-1185 Co Rd 413, New Houlka MS 38850, US
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