| 摘要 |
A method for estimating the grain size in geological samples such as cores is achieved by a data processing system wherein data of a geological sample is retrieved from a storage device, the storage device storing data of the geological sample which incorporates least one characteristic varying with the grain size of the sample. Responsive to a selection of a portion of the data, a subset of the data corresponding to the selected portion is retrieved, the subset of data incorporating said at least one characteristic varying with the grain size. Next, a set of variations of said at least one characteristic in said subset of the data is evaluated in order to determine an estimate of the average grain size of the portion with respect to a dominant variation of said set. In preferred embodiments, a digital image of the geological sample representative of said data is displayed on a display device in order to allow a user to select the portion of the image to be evaluated. Then the determined estimate is made available to the user. |
