The term mineral extraction is identified in base64 scheme by the sequence bWluZXJhbCBleHRyYWN0aW9u, while the MD5 signature is equal to c4383e7a8ee79e842f9f862dd31925a2. The ASCII encoding of mineral extraction in hexadecimal notation is 6d696e6572616c2065787472616374696f6e.