Mean Ceramic Date

The mcd is estimated as the weighted mean of the date midpoints of the ceramic types based on absolute dates or the known production interval found in a given assemblage.

Mean ceramic date. European pottery manufacturers kept records on the ceramics they produced from the late sixteenth century onward. A mean ceramic date offers a quick and rough indication of the chronological position of a ceramic assemblage. The interpretive potential of historic ceramics in cultural resource management katherine l. The mean ceramic date mcd of an assemblage is a point estimate of the occupation of a site calculated based on the frequency and date range of types present most often used in historic archaeological contexts.

He intended this to give an idea of most likely occupation date of site or context. The crystallinity of ceramic materials ranges from highly oriented to semi crystalline vitrified and often completely amorphous e g glasses. The mean ceramic date for an assemblage is estimated as the weighted average of the manufacturing date midpoints for the ceramic types found in it. The method uses the range of dates for each ceramic type as basic data.

Beyond the mean ceramic date. Mean ceramic dating dating technique is used in historic archeology to date sites based on the average age of recovered ceramics. Common examples are earthenware porcelain and brick. Mean ceramic date stanley south 1971.

The mean ceramic date mcd is a point estimate of the occupation of an archaeological site south 1977. The mcd is calculated by multiplying the number of sherds of a given type by the mid point of the date range for. The mean ceramic date mcd of an assemblage is a point estimate of the occupation of a site calculated based on the frequency and date range of types present most often used in historic archaeological contexts. The article concludes that there is currently not enough data to determine whether or not the formula is useful or not.

Mean date 1771 1758 1760 1760 for each type multiply the median date times the frequency 1771 x 31 1758 x 22 etc add these products divide the total by the total number of sherds in the assemblage the result is the mean ceramic date x fre uenc 31 sherds 22 sherds 56 sherds 17 sherds 126 sherds product 54 901 38 676 98 560 29 920 222 057. This article reviews the use of south s mean ceramic dating formula and its use in dating historic sites in ontario. A ceramic is any of the various hard brittle heat resistant and corrosion resistant materials made by shaping and then firing a nonmetallic mineral such as clay at a high temperature.