52 CONTRIBUTIONS TO THE GEOLOGY OF MAINE. (bull. 165. 
ASHLAND LIMESTONE. 
The limestone at Ashland was referred to by Hitchcock in his report 
for 1861, 1 as follows: 
The next belt of this limestone [referring to seven patches of the Lower Helderberg 
group] noticed is in Ashland, where it has been burned for lime. This bed is largely 
fossiliferous, containing the Favosites gothlandica, a Zaphrentis, Strophomena rhomboid- 
alis, etc. It occurs in three places in this town, viz: In the center, opposite the 
hotel; a mile south, and a mile north of the village. The rock at the southern locality 
dips 70° westerly; but the comparison of all the exposures of the limestone here 
show that it forms the base of an anticlinal axis; consequently the rocks on the east 
and west sides of it are newer, that is, of Devonian age. 
Billings, in his paper in the Proceedings of the Portland Society, 2 
does not describe this particular fauna. The fauna from Masardis is, 
however, listed as follows: 
Fossils from Masardis. — The fossils from Masardis are Crinoids, a new species of 
Orthis, Strophomena rhomboidalis, Spirifera nympha, Atrypa reticularis, and Cheirurus 
tarquinius. This rock is also Upper Silurian and of the same age as that at Square 
Lake. One of the species, C. tarquinius, is quite common at Port Daniel, on the Bay 
of Chaleur, where it is associated with Bronteus pompilius, so characteristic of the 
Square Lake limestone. 
The typical locality for the Ashland limestone is a ledge opposite 
the Ashland Hotel, in Ashland Village. The limestone is mainly a 
pure gray limestone, but much fractured, as if broken in process of 
faulting. This fragmental, brecciated condition is common to it wher- 
ever seen, and as far distant as the Dudley farm in Castle Hill (1415 L) 
the limestone, though in apparently comformable beds in the series of 
shales and slates, presents the same brecciated appearance. 
The study of the fossils has led the writer to associate the following 
outcrops as all belonging to the same general horizon, and if not belong- 
ing to a continuous calcareous set of strata the probabilities are in 
favor of regarding them as more or less local calcareous masses in a 
series of calcareous shales of approximately the same geologic age. 
Ashland, 1098 A 1. Ledge opposite the hotel in Ashland Village. 
1098 F 1. On Gilman's farm, three-fourths mile south of Ashland, along 
the Masardis road. 
1098 K 4. In field east of road, on Winslow farm, 1£ miles south of Ash- 
land Village. 
Castle Hill, 1415 L. On the L. W. Dudley farm, 2\ miles west of Mapleton Village. 
Chapman, 1099 D 6. On the W. H. Littlefield farm, west of road along west side of 
Chapman (called "Swanback" road) , three-fourths mile south 
of Mapleton line. 
1 Agriculture and Geology of Maine, second series (= Sixth Ann. Rept.) , Augusta, Me., 1862, p. 240. 
2 Proc. Portland Soc. Nat. Hist., Vol. I, Pt. II, pp. 104-126. 
