Provenance (geology) to determine the origin of sediments. This is often used in conjunction with the study of exhumation histories, interpretation of drainage networks and their evolution, and forward-modelling of paleo-earth systems. In combination, these help to characterise the "source to sink" journey of clastic sediments from hinterland to sedimentary basin. Provenance (from the French provenir, "to come from"), is the place of origin or earliest known history of something. In geology (specifically, in sedimentary petrology), the term provenance deals with the question where sediments originate from. The purpose of sedimentary provenance studies is to reconstruct and to interpret the history of
Back to Now Back to Now Back to Now is the seventh and latest studio album by American R&B female group Labelle, released on October 21, 2008. The album is the group's first in over thirty years though they had sung on songs together on occasion. Labelle member Nona Hendryx explained the album's title to noted R&B writer Pete Lewis of "Blues & Soul": "It basically stemmed from two of the songs on this album being songs I'd specifically written for what would have been the next Labelle album back in 1977. So the title 'Back To Now" is really signifiying that this