Second Circular

Conference Sessions

1. Formation of obsidian

2. Obsidian sources and their characterization

3. Analytical methods and databases of obsidian data

4. Cultural aspects of obsidian during different archaeological periods

5. Lithic technology and traceological studies

6. Regional development in relation to geological heritage and archaeological obsidian

Conference Format

• IOC Engaru 2023 will be held in a hybrid format as scheduled. 

• The official language of the conference is English.

• Oral presentations will be both onsite and online; poster presentations will be onsite.

• Conference participants can select their presentation style, either oral or poster. Online presentations are oral only.

• We request that online presenters send video files in advance (see Registration forms, Payments, and Deadlines for more information).

Presentation guidelines

• Abstracts must not exceed 300 words (excluding title and author affiliations).

• Oral presentations are limited to 15 minutes, followed by 5 minutes of discussion. Presenters are asked to use a standard PowerPoint presentation format.

• Posters should be in portrait format and must not exceed A0 paper size. Presenters will present a summary at the beginning of the Poster Sessions on Day 1.

Schedule

Day 0: Sunday, 2 July 2023

• 15:00–17:30 Conference registration Engaru Metro Plaza

• 17:00–19:00 Obsidian knapping workshop Engaru Metro Plaza

• 19:00–20:00 Ice-breaker gathering Engaru Town

Day 1: Monday, 3 July 2023

• 9:00–15:00 Opening, keynote lecture, and general sessions Engaru Metro Plaza

• 15:30–17:30 Poster sessions Engaru Metro Plaza

• 18:30–20:30 Mayor’s reception Engaru Town

Day 2: Tuesday, 4 July 2023

• 9:00–17:00 General sessions Engaru Metro Plaza

• 18:00–19:30 Public lecture Engaru Metro Plaza

Day 3: Wednesday, 5 July 2023

• 8:20–16:00 Excursion Field trip and Museum Tour in Shirataki

• 17:30–19:30 Conference dinner Shirataki Geopark Center

Day 4: Thursday, 6 July 2023

• 9:00–17:00 General sessions Engaru Metro Plaza

Optional: Friday, 7 July 2023

• 8:20–13:30 Post-conference excursion Field trip in Shirataki

Fees

• *Registration for onsite participants:

  • Regular presenters (both oral and poster) 20,000 JPY

  • Attendees not presenting a paper or poster (non-presenters) 10,000 JPY

  • Students (presenters and non-presenters) 10,000 JPY

  • Accompanying persons with presenters and non-presenters 10,000 JPY

• Registration for all online participants 3,000 JPY

• **Post-conference excursion (optional) 1,000 JPY

 *Registration fees for onsite participants include the costs of the excursion on Day 3, the ice-breaker gathering, the Mayor’s reception, and the Conference dinner.

 **Register for the post-conference excursion using Form A or C (see Registration Forms, Payments, and Deadlines for more information).

Registration Forms, Payments, and Deadlines

• Online registration (Forms A to C) is now available on the Official website for IOC Engaru 2023.

• Register accompanying persons using Form A (for presenters) or C (for non-presenters).

• We use Google Forms for registrations. If you cannot use the Google system, please complete the forms in Excel format available from the following website, https://1drv.ms/u/s!As2QeUP1f9efq1EadlIjxMC6gQmq?e=1pbFdM, and submit them to Contact Persons by email.

• There are few hotels in Engaru Town and we will accept booking requests for conference participants (Check in 2 July; Check out 7 July).

• An online payment system will be available until 1 May 2023. Further information will be available in due course.

1. Registration for presenters Form A by 17:00 JST, 1 January 2023

2. Submission of abstracts Form B by 17:00 JST, 1 March 2023

3. Registration for attendees not presenting a paper or poster Form C by 17:00 JST, 1 May 2023

4. *Submission of video files for oral presentations by online participants Upload by 17:00 JST, 15 June 2023

5. Payment of conference fees In preparation by 17:00 JST, 15 June 2023

6. Payment of accommodation fees In preparation by 17:00 JST, 15 June 2023

*We request that online presenters submit pre-recorded video files in advance. Please use the MP4 file format and upload files on Google Forms as indicated above. If you cannot use the Google system, send the files to the contact person using any bulk file transfer system.

Excursions

• We will visit obsidian sources in Shirataki and the Shirataki Geopark Center, as shown on the following website.

  • https://www.google.com/maps/d/edit?mid=1CSJs5dN25IyZQSZcpxsnXcLNRjQvfFOb&usp=sharing

• The local organizing committee has special permission from the Ministry of Agriculture, Forestry, and Fisheries, Japan, for obsidian sampling of one plastic bag per person at a single location. Please state that the sample was collected during the IOC Engaru 2023 excursion when publishing any related data.

• Lunchboxes and drinks will be provided for participants during and after excursions at no extra cost.

Day excursion during the conference (Day 3): Wednesday, 5 July 2023

• 8:20 Departure Parking place (Engaru Metro Plaza)

• 9:00–10:00 Guidance Shirataki Geopark Center

• 10:30–11:30 Hachigo-sawa outcrop (43.93956N 143.12317E)

• 12:00–13:30 Mt. Akaishi (West Atelier) (43.94148N 143.13543E)

  • • Mt. Akaishi (East Atelier) (43.93885N 143.13924E)

    • Lunch

• 14:30–15:30 Tokachi-ishizawa River (43.89848N 143.15906E)

• 16:00–16:30 Break Shirataki Geopark Center

• 16:30–17:30 Museum Tour Shirataki Geopark Center

• 17:30–19:30 Conference Dinner Shirataki Geopark Center

• 20:00 Return Engaru Metro Plaza