Carbon, bano misalu, no maran yonki ɗum joɗa isotope joɗinnga (carbon 12 ko carbon- 13) ko ɗum laato isotope marɓe yonki ba hiite (carbon-14), sakitinɗum je huwata to kawtal radiometric (je goonga kautal radiocarbon) ngam ɗum annda duuɓi kuje organic.