124 Queries by the Geologists of the Survey of New York. 
Art. X.— Queries proposed by the Geologists of the new Survey 
of the State of New York.* 
Rocks. 
1. Have ledges of rock been observed in your vicinity ? 
2. Are the ledges on the sides, or on the summits of hills; on 
the shore, or in valleys? 
. 8. Is the direction of the ledges parallel to that of the hills, or 
what is the direction of each by compass ? 
4. Are the rocks divided into regular layers ? 
5. ‘Towards what point of the compass do these layers pitch with 
the greatest declivity ? 
6. Are there veins of other rocks traversing those before men- 
tioned ? 
7. In what direction do tee veins cut through the rock, and are 
they perpendicular or inclined ? 
8. Have any ores been found, either diffused through the mass of 
rock, or in separate beds or veins? 
9. Have any useful, or curious, or rare minerals been found in the 
rocks or veins? 
10. What names are commonly used to designate the rocks, ores, 
minerals, &c. referred to? 
11. Have they been applied to any useful purposes i ? 
12. Where ledges of rocks have been recently uncovered by ex- 
cavations, are the surfaces smooth, as if by the action of running 
water, or with pot-holes, such as are seen at many water falls? 
13. Do any of these surfaces shew grooves and scratches, as if 
hard masses had been dragged over them? 
14. Do the rocks recently uncovered shew traces of the shells of 
barnacles, or other marine remains attached to them in sheltered sit- 
uations, and much above the level of the sea? 
15. Are shells or petrifactions of any kind, or the remains of 
plants, found in any of the rocks, and in what kinds of rocks do they 
occur? 
16. Are slate, limestone, sandstone, granite, gneiss, &c. found in 
your vicinity ? 
17. Where rocks of different kinds come in contact, is heed any 
change in their characters near their junction ? 
* Received from W. W. Martuer of the survey, and being of general interest 
we insert them here.— Editor, 
