Table of Contents
Acknowledgments ix
Introduction 1
Rockhounding Basics 4
Pennsylvania Geology 10
Pennsylvania Natural Resources 13
New Jersey Geology 17
New Jersey Natural Resources 19
How to Use This Guide 22
Pennsylvania Sites
Piedmont Province
1 Prospect Park Kyanite 26
2 Smedley Park Apatite 29
3 Oreland Goethite 32
4 Phoenixville Dolomite Crystals 35
5 Hay Creek Prehnite and Stilbite 37
6 Morgantown Stromatolitic Cambrian Carbonates 39
7 Fruitville Pike Pseudomorphs 42
8 Mud and Grubb Lake Goethite Bombshells 45
9 Safe Harbor Quarry 48
10 Delta Slate Quarries 51
11 Strickhousers Iron Mines 53
12 Howard Tunnel Phyllite 56
13 Accomac Road Serpentine Minerals 59
14 Rossville Malachite-Azurite 61
15 Dillsburg Diabase Minerals 64
16 Hershey Specular Hematite 66
17 Fontana Quarries Calcite 69
18 Cornwall Magnetite 72
New England Province
19 Antietam Molybdenite 75
20 Allentown Jasper Cliffs 78
21 Constitution Drive Rare Earth Minerals 80
22 Hellertown Thomas Iron Slag 83
Ridge and Valley Province
23 Easton Tremolite and Phologopite 85
24 St. Anthony's Nose Schorl 88
25 Pen Argyl Ordovician Slate 91
26 Saylorsburg Devonian Fossils 93
27 Beltzville State Park Devonian Fossils 96
28 Lehighton Lehigh Canal Devonian Fossils 98
29 Lehighton Quartz Crystals 101
30 Deer Lake Devonian Fossils 103
31 Molino Devonian Banded Sediments 106
32 St. Clair Pennsylvanian Fern Fossils 108
33 Suedberg Devonian Fossils 111
34 Sharp Mountain Boxcar Rocks 114
35 Centralia Pennsylvanian Plant Fossils 117
36 Shamokin Whaleback Pennsylvanian Plant Fossils 120
37 Dalmatia Devonian Fossils 123
38 Rockville Devonian Fossils 125
39 Harrisburg Boxwork Limestone 128
40 Mechaniscsburg Cabbage Head Quartz 131
41 Boiling Springs-Reading Banks Cryptomelane and Goethite 134
42 Carbaugh Reservoir Metavolcanics 137
43 Waggoners Gap Turquoise 140
44 Shermans Dale Devonian Fossils 142
45 New Bloomfield Devonian Fossils 144
46 Roxbury Ordovician Fossils 146
47 Seven Stars Devonian Pelecypods 148
48 Walker Lake Ordovician-Devonian Brachiopods 150
49 Kreamer Wavellite 154
50 Danville Devonian Fossils 156
51 PPL Montour Preserve Fossils 158
52 Lime Ridge Calcite and Early Devonian Fossils 161
53 Nanticoke Concrete City 163
54 Bellefonte Ordovician Fossils 166
55 Turnpike Devonian Graptolites 169
Appalachian Plateaus Province
56 Johnstown Pennsylvanian Fossils 172
57 Uniontown Mississippian Fossils 176
58 Carmichaels Pennsylvanian Plant Fossils 179
59 North Vandergrift Barite-Sphalerite Nodules 182
60 Frick Park Pennsylvanian Fossils 184
61 South Heights Pennsylvanian Crinoid Fossils 186
62 Franklin Siderite-Sphalerite Nodules 188
63 Titusville Mississippian Fossils 191
64 Union City Dam Devonian Horseshoe Crabs and Trace Fossils 193
New Jersey Sites
Coastal Plain Province
65 Mount Holly Iron Oxide Cemented Sandstone 198
66 Mullica Hill Vivianite 201
67 Bear Swamp Hill Quartz Pebbles 204
68 Harrisville Pond Bog Iron 207
69 Cape May Diamonds 210
70 Big Brook Late Cretaceous Fossils 212
71 Sayrcvillc Marcasite and Amber 215
Piedmont Province
72 Corys Brook Vesicular Basalt and Potential Carnelian 218
73 Stirling Brook Carnelian Agate 221
74 North Arlington Schuyler Copper Mine 224
75 Snake Hill Magnetite, Malachite, and Stilbite 227
76 Jersey City Bergen Arches Calcite 230
77 Hoboken Serpentine 233
78 North Bergen Banded Hornfels 236
79 New Street Quarries and Great Falls of the Passaic 238
Highlands Province
80 Lake Valhalla Yellow Serpentine 242
81 Wanaque Roomy and Blue Mines Magnetite 245
82 West Milford-Bearfort Mountain Puddingstone 248
83 Cranberry Lake Iron Mines 250
84 Sterling Hill Mine and Mine Run Dump 253
85 Buckwheat Dump and Franklin Mineral Museum 255
86 Hamburg Stromatolites 257
87 Marble Mountain Hematite Mine 259
Valley and Ridge Province
88 Pahaquarry Copper Mines 262
89 Montague Quartz Crystals 266
References Cited 268
Index 275
About the Author 278
