Fission track age for apatite sample MS_002_1 from the western Greater Caucasus

Each graticule square has an area of 0.000001386 cm2. Number of graticule squares is used with the track count to determine track densities.每个方格网单元（graticule square）的面积为0.000001386平方厘米。方格网单元的数量可与轨道数结合，用于计算轨道密度。