QUANTITATIVE OBSERVATIONS 57 



Along the straight stretch of coast between the uplifted parts there is a 

 general condition of gravel foreland forming a narrow strip between the 

 mountains and the sea (figure 2). In one part, however, just north of 

 Logan beach, the mountains come down close to the sea, and here for a 

 short distance there is a recently elevated shoreline 15 feet above present 

 sealevel, but descending abruptly northward, and disappearing in less than 

 a half mile. Back of it is the older, spruce-covered beach already de- 

 scribed, which descends northward more than 2 miles before being lost. 

 As shown in a later section, these phenomena are believed to be related 

 to a fault line close by the mountain base. 



CHANGES OF LEVEL IN DISENCHANTMENT BAT 



At point Latouche the uplifted shores are 11 to 12 feet above present 

 sealevel, but perceptibly decline northward, for most of the distance 

 between point Latouche and Haenke island (on the east side) being 

 between 7 and 8 feet. At Haenke island, however, the raised shorelines 

 are 18 or 19 feet, and this marked uplift abruptly appears on the peninsula 

 northeast of Haenke island (see plate 13 and plate 17, figure 2), and ex- 

 tends nearly to Gilbert point, where it disappears equally abruptly. 

 Within a mile, at Gilbert point, there is a change from no uplift on and 

 near Osier island to 17 feet 1 inch just southwest of it. It is in this 

 region of marked uplift that the new reefs appear just north of Haenke 

 island. 



On the west shore of Disenchantment bay the first rock cliff south of 

 Turner glacier (a quarter of a mile from the glacier) shows an uplift 

 of 33 feet 11 inches; and this remarkable shoreline, the most perfect as 

 well as the highest in the region (see plate 14, figure 2 ; plate 16, figure 1, 

 and plate 18, figure 1), attains an elevation of 47 feet 4 inches within a 

 distance of a mile and a half. Just below point Funston the elevation 

 is 42 feet, and south of that it rapidly descends. No accurate quantita- 

 tive measurements were possible in this region of disappearance, but the 

 uplift evidently extends to the Black glacier alluvial fan, where on the 

 north side it is estimated to be about 30 feet, and on the south side, a 

 little over a quarter of a mile away, 9 feet. South of this no evidence of 

 uplift was found; but on the alluvial fan of Galiano glacier, a mile and a 

 half southwest, there is indication of slight subsidence, and beyond that 

 no reason for inferring any change of level. 



From these facts it is evident that the shores of Disenchantment bay 

 have been greatly uplifted (the highest in the fiord), and that they have 

 been differentially deformed. While the changes in amount of uplift 

 occur within short distances here, as in other parts of the fiord, they are 



