Rock specimens collected by A G MacGregor and held at the British Geological Survey, Keyworth, Nottingham

Listing by Neil Fortey

MR 15583 Black sand
Montserrat, West Indies Fox Bay, Montserrat
Collector's number: none : none c 1936

MR 15584 Normal sand
Montserrat, West Indies Fox Bay, Montserrat
Collector's number: none : none c 1936

MR 15585 Volcanic bomb
Montserrat, West Indies E side Mule River, Ogarras, Montserrat
Collector's number: none : none c 1936

MR 15586 Volcanic bomb
Montserrat, West Indies E side Mule River, Ogarras, Montserrat
Collector's number: none : none c 1936

MR 16425 Stalagtite formed around ?lianas at hot spring
Montserrat, West Indies Tar River, 50 yds downstream from Ronthis path, Soufrière Hills Volcano,
Collector's number: M Montserrat (1936) : 9A 1937

MR 16426 Stalagtite deposit coating wall of agglomerate
Montserrat, West Indies Tar River, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 10 1937

MR 16427 Nuée Ardente sand and dust
Montserrat, West Indies Gorge leading from Plymouth to Gages (Fort Ghaut), Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 15 1937

MR 16428 Nuée Ardente sand and dust
Montserrat, West Indies Gorge leading from Plymouth to Gages (Fort Ghaut), Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 20 1937

MR 16429 Semi-consolidated volcanic sand
Montserrat, West Indies Gorge leading from Plymouth to Gages (Fort Ghaut), Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 26 1937

MR 16430 Flow-banded porous bandaite
Montserrat, West Indies Gorge leading from Plymouth to Gages (Fort Ghaut), Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 30 1937

MR 16431 Junction between pale and dark grey hornblende-pyroxene bandaite
Montserrat, West Indies Spring or Kinsale Ghaut, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 37 1937

MR 16432 Thermally metamorphosed calcareous sediment
Montserrat, West Indies Spring or Kinsale Ghaut, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 43 1937

MR 16433 Pyroxene bandaite
Montserrat, West Indies Summit of Silver Hill, Montserrat (1936)
Collector's number: M : 66 1937

MR 16434 Bandaite explosion breccia
Montserrat, West Indies Southern spur of Silver Hill, Montserrat (1936)
Collector's number: M : 67 1937

MR 16435 Bandaite explosion breccia
Montserrat, West Indies Southern spur of Silver Hill, Montserrat (1936)
Collector's number: M : 68 1937

MR 16436 Bandaite explosion breccia (weathered surface)
Montserrat, West Indies Southern spur of Silver Hill, Montserrat (1936)
Collector's number: M : 70 1937

MR 16437 Bandaite agglomerate matrix (weathered surface)
Montserrat, West Indies Path from Blake's to Trant's, Centre Hills, Montserrat (1936)
Collector's number: M : 77 1937

MR 16438 Porous glassy hornblendic xenolith in hornblende pyroxene bandaite
Montserrat, West Indies Field between Galway's and White River Ghaut, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 80A 1937

MR 16439 black and interstratified paler tuffs
Montserrat, West Indies NE of Old Fort Point, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 101 1937

MR 16440 Hornblende pyroxene bandaite
Montserrat, West Indies NE of Old Fort Point, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 103 1937

MR 16441 Olivine basalt
Montserrat, West Indies Waterfall near O'Garras, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 110 1937

MR 16442 Olivine basalt
Montserrat, West Indies Cliff behind O'Garras, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 119 1937

MR 16443 Slag - top of olivine basalt flow
Montserrat, West Indies Cliff behind O'Garras, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 123 1937

MR 16444 Clinkery slag - top of olivine basalt flow
Montserrat, West Indies Cliff behind O'Garras, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 124 1937

MR 16445 Basaltic lava
Montserrat, West Indies W of Shoe Rock, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 125 1937

MR 16446 Slag of basaltic lava
Montserrat, West Indies W of Shoe Rock, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 126 c 1937

MR 16447 Olivine basalt
Montserrat, West Indies W of Shoe Rock, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 130 c 1937

MR 16448 Basalt lava with glassy incrustation
Montserrat, West Indies Between Shoe Rock Point and Triangle Rock point, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 132 c 1937

MR 16449 Dark grey basalt
Montserrat, West Indies Between Shoe Rock Point and Triangle Rock point, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 133 c 1937

MR 16450 Slag from basalt
Montserrat, West Indies Between Shoe Rock Point and Triangle Rock point, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 134 c 1937

MR 16451 Acid hornblende pyroxene bandaite
Montserrat, West Indies Between Triangle Rock point and Ladies Bay, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 139 c 1937

MR 16452 Acid hornblende pyroxene bandaite with cognate xenolith
Montserrat, West Indies Between Triangle Rock point and Ladies Bay, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 141 c 1937

MR 16453 Chilled olivine basalt
Montserrat, West Indies Shore 335 yds NE of Sweeny's Well, South Soufrière Hills Volcano, Montserrat
Collector's number: M (1936) : 155 c 1937

MR 16454 Basaltic lava
Montserrat, West Indies Shore 465 yds NE of Sweeny's Well, South Soufrière Hills Volcano, Montserrat
Collector's number: M (1936) : 158 c 1937

MR 16455 Reddish feldspar porphyritic olivine basalt lava
Montserrat, West Indies Coast at Roche Bluff, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 160 c 1937

MR 16456 White bandaite pumice
Montserrat, West Indies Sweeny's Well, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 180 c 1937

MR 16457 Fine grained basic pyroxene andesite lava
Montserrat, West Indies Sweeny's Well, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 182 c 1937

MR 16458 Banded pyroxene bandaite
Montserrat, West Indies NE of Paradise, Centre Hills, Montserrat (1936)
Collector's number: M : 207 c 1937

MR 16459 Pyroxene bandaite with olivine
Montserrat, West Indies NE of Paradise, Centre Hills, Montserrat (1936)
Collector's number: M : 215A c 1937

MR 16460 Hornblende pyroxene bandaite
Montserrat, West Indies SW of the Tar River Estate buildings, Montserrat (1936)
Collector's number: M : 217 c 1937

MR 16461 Hornblende pyroxene bandaite
Montserrat, West Indies Hill 2600 at head of Cold River, Montserrat (1936)
Collector's number: M : 222 c 1937

MR 16462 Pyroxene bandaite with olivine traces
Montserrat, West Indies NW of Tuit's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 228 c 1937

MR 16463 Pyroxene bandaite with olivine and cognate xenoliths
Montserrat, West Indies SW of Trant's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 231A c 1937

MR 16464 Purplish pyroxene bandaite
Montserrat, West Indies NW of Bethel, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 234 c 1937

MR 16465 Greenish pyroxene bandaite
Montserrat, West Indies SW of Trant's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 236 c 1937

MR 16466 Pale hornblende pyroxene bandaite, Soufrière Hills type
Montserrat, West Indies Top of St George's Hill, near Point 1164, Montserrat (1936)
Collector's number: M : 243 c 1937

MR 16467 Purplish pyroxene bandaite
Montserrat, West Indies Top of St George's Hill, near Point 1164, Montserrat (1936)
Collector's number: M : 245 c 1937

MR 16468 White bandaite pumice
Montserrat, West Indies East flank of St George's Hill, near Point 1164, Montserrat (1936)
Collector's number: M : 248 c 1937

MR 16469 Not recorded
Montserrat, West Indies NE of Bransby, Montserrat (1936)
Collector's number: M : 251 c 1937

MR 16470 Pyroxene bandaite
Montserrat, West Indies Garibaldi Hill, NW of Bransby, Montserrat (1936)
Collector's number: M : 253 c 1937

MR 16471 Pyroxene bandaite
Montserrat, West Indies Garibaldi Hill, NW of Bransby, Montserrat (1936)
Collector's number: M : 256 c 1937

MR 16472 Pyroxene bandaite
Montserrat, West Indies N side of Bransby Point, Garibaldi Hill Volcano, Montserrat (1936)
Collector's number: M : 263 c 1937

MR 16473 Glassy flow-banded pyroxene bandaite with minor hornblende
Montserrat, West Indies E of Bransby, Montserrat (1936)
Collector's number: M : 266 c 1937

MR 16474 Hornblende pyroxene bandaite
Montserrat, West Indies Gages Lower Soufrière Gulley, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 268 c 1937

MR 16475 Altered tuff
Montserrat, West Indies Gages Lower Soufrière, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 269 c 1937

MR 16476 Altered tuff with less altered nucleus
Montserrat, West Indies Gages Lower Soufrière, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 270 c 1937

MR 16477 Sulphur in altered matrix
Montserrat, West Indies Gages Lower Soufrière, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 275 c 1937

MR 16478 Porous flow-banded hornblende pyroxene bandaite
Montserrat, West Indies Between Spring Ghaut and Gages Soufrière Ghaut, Montserrat (1936)
Collector's number: M : 278 c 1937

MR 16479 Pyroxene bandaite
Montserrat, West Indies N of Lee's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 283 c 1937

MR 16480 Pale bandaite
Montserrat, West Indies Hope Ghaut, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 291 c 1937

MR 16481 Matrix of bandaite agglomerate
Montserrat, West Indies S of St Peter's Church, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 300 c 1937

MR 16482 Flow-banded pyroxene bandaite with minor hornblende
Montserrat, West Indies Between Sweeney's and Cars Bay, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 308 c 1937

MR 16483 Glassy flow-banded pyroxene bandaite with minor hornblende
Montserrat, West Indies Between Sweeney's and Cars Bay, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 311A c 1937

MR 16484 Dusty matrix of Nuée Ardente agglomerate
Montserrat, West Indies N of Tuit's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 332 c 1937

MR 16485 Hornblende pyroxene bandaite breadcrust bomb
Montserrat, West Indies N of Tuit's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 333 c 1937

MR 16486 Hornblende pyroxene bandaite - highly porous
Montserrat, West Indies SE of Tuit's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 336 c 1937

MR 16487 Hornblende pyroxene bandaite
Montserrat, West Indies SE of Tuit's, Centre Hills Volcano, Montserrat (1936)
Collector's number: M : 337 c 1937

MR 16488 Loose rusty olivine basalt clinker from lava
Montserrat, West Indies O'Garra's, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 343 c 1937

MR 16489 Hornblende pyroxene bandaite
Montserrat, West Indies SW of Reid's Hill, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 345 c 1937

MR 16490 Nuée Ardente dust deposit
Montserrat, West Indies SW of Reid's Hill, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 347 c 1937

MR 16491 Pyroxene bandaite
Montserrat, West Indies NW Bluff, W of Î630
Collector's number: M : 357 c 1937

MR 16492 Gypsum from area of old Soufrière activity
Montserrat, West Indies NW Bluff, W of Î630, Siver Hill Volcano
Collector's number: M : 360 c 1937

MR 16493 Hornblende pyroxene bandaite, altered
Montserrat, West Indies 1500 yds N40°E of Waterworks, Centre Hills, Montserrat (1936)
Collector's number: M : 374 c 1937

MR 16494 Hornblende pyroxene bandaite, altered
Montserrat, West Indies 1500 yds N40°E of Waterworks, Centre Hills, Montserrat (1936)
Collector's number: M : 377 c 1937

MR 16495 Fine grained tuff or volcanic sand
Montserrat, West Indies 900 yds N30°E of Waterworks, Centre Hills, Montserrat (1936)
Collector's number: M : 378 c 1937

MR 16496 Fine grained foliated granite
Montserrat, West Indies Cobble beach near O'Garras, South Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 380 c 1937

MR 16497 Sulphur
Montserrat, West Indies Cow Hill, Soufrière, Soufrière Hills Volcano, Montserrat (1936)
Collector's number: M : 381 c 1937

MR 16498 Not recorded
Nevis, Leeward Islands, West Island of Nevis, Leeward Islands
Collector's number: M : 383 c 1937

MR 16499 Not recorded
Nevis, Leeward Islands, West Island of Nevis, Leeward Islands
Collector's number: M : 384 c 1937

MR 16500 Pyroxene bandaite with minor hornblende
Martinique, French West Old Pelé dome, Martinique
Collector's number: P : 1 c 1937

MR 16501 Pyroxene bandaite with minor hornblende
Martinique, French West New Pelé dome, Martinique
Collector's number: P : 3 c 1937

MR 16502 Porous bandaite
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 7 c 1937

MR 16503 Broken glassy crust of breadcrust bomb
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 8 c 1937

MR 16504 Porous bandaite
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 9 c 1937

MR 16505 Porous bandaite
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 11 c 1937

MR 16506 Porous bandaite
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 13 c 1937

MR 16507 Porous bandaite
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 15 c 1937

MR 16508 Fine dust of Nuée Ardente deposits
Martinique, French West Avalanche Valley, Martinique
Collector's number: P : 17 c 1937