Behind HVO (4 samples)

HVO reticulite
Big Obsidian Flow (16 samples)

Obsidian clast1

Obsidian clast2
Deschutes Formation (40 samples)

Crooked River Grade - boundary btw middle-top of unit 4

Crooked River Grade - unit 1

Crooked River Grade - unit 2

Crooked River Grade - unit 3

Crooked River Grade - unit 3 ash vein

Crooked River Grade - unit 4, lower1

Crooked River Grade - unit 4, lower2

Crooked River Grade - unit 4, middle

Crooked River Grade - unit 4, top1

Crooked River Grade - unit 4, top2
Fort Rock (6 samples)

Fort Rock NE wall-sequence1

Fort Rock NE wall-sequence2
Fort Rock Tuff Ring (20 samples)

Bomb sag layers

Fine-grained blocky 'vein'

Fine-grained blocky 'vein' hand sample

Fort Rock central pillar1
Hole-in-the-Ground maar (4 samples)

Ejected clast1 - Hole-in-the-Ground maar

Ejected clast2 - Hole-in-the-Ground maar
Kau Desert (67 samples)

Keanakakoi Ash formation accretionary lapilli

Keanakakoi Ash formation accretionary lapilli clast

Keanakakoi Ash formation accretionary lapilli2

Keanakakoi Ash formation float2

Keanakakoi Ash formation float3

Keanakakoi Ash formation opal on fresh ash surface

Keanakakoi Ash formation outcrop

Keanakakoi Ash formation pumice float

Keanakakoi Ash formation scoria fragment1

Keanakakoi Ash formation scoria fragment2

Keanakakoi Ash formation scoria fragment3

Keanakakoi Ash formation scoria fragment4

Keanakakoi Ash formation scoria5

Unit 1, lower Keanakakoi Ash Formation

Unit 10, lower Keanakakoi Ash Formation

Unit 11, lower Keanakakoi Ash Formation

Unit 12, lower Keanakakoi Ash Formation

Unit 13, lower Keanakakoi Ash Formation

Unit 14, lower Keanakakoi Ash Formation

Unit 2, lower Keanakakoi Ash Formation

Unit 3, lower Keanakakoi Ash Formation

Unit 4, lower Keanakakoi Ash Formation

Unit 5, lower Keanakakoi Ash Formation

Unit 6, lower Keanakakoi Ash Formation

Unit 7, lower Keanakakoi Ash Formation

Unit 8, lower Keanakakoi Ash Formation

Unit 9, lower Keanakakoi Ash Formation
Kilauea Iki (23 samples)

Kilauea Iki proximal scoria clast1

Kilauea Iki proximal scoria clast2

Kilauea Iki scoria1

Kilauea Iki scoria2
Lanai Lookout, Koko Crater (34 samples)

Accretionary lapilli-rich tuff layer1

Accretionary lapilli-rich tuff layer2

Laminated cross-bed sequence

Layered tuff sequence

Tuff deposit

Unit 1, Ash deposition sequence

Unit 11, Ash deposition sequence

Unit 12, Ash deposition sequence

Unit 13, Ash deposition sequence

Unit 2, Ash deposition sequence

Unit 3, Ash deposition sequence

Unit 4, Ash deposition sequence

Unit 5, Ash deposition sequence

Unit 5b, Ash deposition sequence

Unit 6, Ash deposition sequence

Unit 7, Ash deposition sequence

Unit 8, Ash deposition sequence

Unit 9, Ash deposition sequence
Lava Butte (20 samples)

Lava Butte aa clast1

Lava Butte aa clast2

Lava Butte outcrop1

Lava Butte outcrop2
Skeidararsandur (28 samples)

Gisjukvisl flow bed

Skeidararsandur site SS4

Skeidararsandur site SS5

Skeidararsandur site SS6

Skeidararsandur site SS7

Skeidararsandur site SS8

Skeidararsandur SS5 trench wall
Tantalus Ridge (9 samples)

Layered air-fall basaltic scoria deposit1

Layered air-fall basaltic scoria deposit2