sentences:  Most of the vineyards found on the Cape Peninsula are therefore found on these granitic slopes of the Table Mountain range.The mountain owes it table-top flatness to the fact that it is a syncline mountain, meaning that it once was the bottom of a valley (see diagram on the right).The anticline, or highest point of the series of folds that Table Mountain was once part of, lay to the east, but that has been weathered away, together with the underlying softer Malmesbury shale and granite basement, to form the "Cape Flats".