Analyses of Roman Rocks. 
147 
1 
District. 
Locality. 
Old name. 
New name. 
Subrang. 
Marecocco, Ischia 
2 
3 
Catnpanian 
Campanian 
Monte di Cuma, Phlegrean Fields 
Monte Nuovo, Phlegrean Fields 
Block in tuff, Vico Volcano 
Phonolitic trachyte, Cuma type . 
Phonolitic trachyte, Cuma type . 
Phonolitic trachvte, Cuma type. 
Cumal nordmarkose-phlegrose . . 
Cumal nordmarkose-phlegrose. . 
Cumal phlegrose . . 
1.5.1.3-4. 
I- S-i-3-4- 
L . i. 
Campanian 
Monte Rotaro, Ischia 
Trachyte-obsidian, Rotaro type. 
Rotaral phlegrose 
1.5.1.3. 
Below castle, Bolsena 
Caprara , Astroni Volcano, Phle- 
Vulsinite, Bolsena type 
Bolsenal vulsinose. . 
1. s- 2. 
grean Fields. 
Pagliaroni, Astroni Volcano, 
Vulsinite, Bolsena type 
Bolsenal vulsinose 
n* 
Ci m i nian 
Phlegrean Fields. 
Sorgente di Grignano, Vico 
Leucite-trachyte, Viterbo type.. . 
Viterbal vulsinose . . 
Ciminian 
Volcano. 
Below San Rocco, Vico Volcano. 
Leucite-trachyte, Viterbo type.. . 
Viterbal vulsinose. . 
IO 
Rotondella, Astroni Volcano, 
Vulsinite, Bolsena type 
Bolsenal vulsinose-pulaskose 
TO* 
Phlegrean Fields. 
Proceno, near Acquapendente . . 
Leucite-trachyte, Paglia type . . . 
Paglial procenose-pulaskose 
Poggio Muratella, Lake Brac- 
Leucite-phonolite, Sabatino type. 
Sabatinal beemerose 
I. 6 i 3. 
T 1* 
Latian 
ciano. 
Osteria Tavolato, Via Appia 
Leucite-tephrite, Tavolato type. 
Tavolatal janeirose-appianose. 
II-L 7.1.3. 
T-* 
Nuova. 
La Cava, Cimino Volcano 
Biotite-latite, Soriano type 
Sorianal harzose 
II. 4. , ,. 
Near Vetralla, Vico Volcano.... 
Vulsinite, Arso type 
Fontano Fiescoli, Cimino Vol- 
Ciminite, Fiescoli type 
Fiescolal ciminose 
18 
Ciminian 
cano. 
La Colonetta, Cimino Volcano. . 
Ciminite, Fiescoli type 
Fiescolal ciminose 
II. 5. 2. 2. 
Bagnorea, near Orvieto 
Leucite-trachyte, Bagnorea type. 
Ciminian 
Monte Venere, Vico Volcano . . . 
Leucite-trachyte, Bagnorea type. 
Bagnoreal ciminose 
II. 5. 2. 2. 
T * 
Ciminian 
San Mar lino, Vico Volcano 
Leucite-tephrite, San Martino 
Martinal vicose-ciminose 
11.65.2. 2. 
Poggio Cavaliere, Vico Volcano. 
type. 
Vulsinite, Arso type 
Arsal monzonose. . 
II. 5.8.3. 
L'Arso, Ischia 
Vulsinite, Arso type 
Arsal monzonose 
II ; 2 * 
Astroni Volcano, Phlegrean 
Vulsinite, Bolsena type 
Bolsenal monzonose 
II 5 2 3 
OP* 
Ciminian 
Fields. 
Croce di San Martino, Vico 
Leucite-tephrite, Viterbo type . . 
Foglianal ciminose-auruncose . . 
II.5.2-3. 2. 
ofi* 
Volcano. 
Below Orchi 
Leucite-trachyte, Teano type. 
7"* 
Toscanella 
Leucite-tephrite, Orvieto type. . . 
Orvietal auruncose. . 
II >;. *. 2. 
8 
Auruncan 
Monte Santa Croce, Rocca 
Biotite-latite, Monfina type 
Monfinal shoshonose 
II. 5.3.3. 
on* 
Monfina. 
Monte Fogliano, Vico Volcano. . 
Leucite-tephrite, Viterbo type. . . 
Foglianal vicose 
II. 6. 2. 2. 
50* 
Monte San Antonio 
Leucite-tephrite, Viterbo type. . . 
Foglianal vicose 
II. 6. 2. 2. 
IT* 
Poggio Cotognola, Bracciano. . . 
Leucite-tephrite, Bagnorea type. 
Bagnoreal vicose 
II. 6. 2.2. 
l-i* 
Madonna del Riposo, Bracciano . 
Leucite-tephrite, Bagnorea type . 
Bagnoreal vicose 
II. 6.2.2. 
Monte Cavallo, near Orvieto. . . 
Leucite-tephrite, Orvieto type.. 
Orvietal vicose 
II. 6.2. 2. 
> 1* 
Lava of 1872, below Observa- 
Leucite-tephrite, Vesuvius type . 
Vesbal braccianose 
II. 7. 2. 2. 
tory, Mount Vesuvius. 
Crocicchie, S. of Lake Bracciano. 
Leucitite, Galera type 
Galeral braccianose 
II. 7. 2. 2. 
76* 
Arcioni, Rocca di Papa 
Leucitite, Hernici type 
Hernical braccianose 
II. 7. 2. 9. 
?T* 
Lava of 1003, Valle del Inferno, 
Leucite-tephrite, Atrio type 
A^rifO braccianoM , . . , 
II. 7. 2. 2. 
3 S* 
sn* 
Campanian 
Mount Vesuvius. 
Lava of 1631, La Seal a, Mount 
Vesuvius. 
Monte Jugo, near Montenascone. 
Leucite-tephrite, Scala type 
Leucitite, Galera type 
Scalal vesuvose-braccianose .... 
Galeral albanose-jugose 
II. 8- 7 . 2. 2. 
III. 8-7 2.2. 
^n* 
Fiordine, near Montefiascone . . . 
Leucite-basanite, Fiordine type. 
Fiordinal fiasconose 
III. 7. 3. 2. 
Monte Rado, E. of Lake Bolsena. 
Leucitite, Rome type 
Romal albanose 
III. 822. 
x->* 
Ticchiena, near Frosinone 
Leucitite, Sacco type 
Saccal albanose 
111.8.8.2. 
,,,* 
Pofi 
Leucitite, Sacco type . . 
Saccal albanose 
III. 8.2.2. 
Leucitite, Capo di Bove type, 
Boval albanose 
III. 8. 2. 2. 
"cecilite." 
