Changes

{| class = "wikitable"

{| class = "wikitable"

|-

|-

! Reflection termination point

! Reflection termination point || Pattern || Associated discontinuity

! Pattern

! Associated discontinuity

|-

|-

| rowspan=2 | Above a discontinuity

| rowspan=2 | Above a discontinuity || [http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=onlap Onlap] || [[Definitions_of_depositional_system_elements#Sequence_boundaries|Sequence boundary]] ([[unconformity]])

| [http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=onlap Onlap]

| [[Definitions_of_depositional_system_elements#Sequence_boundaries|Sequence boundary]] ([[unconformity]])

|-

|-

| [http://www.glossary.oilfield.slb.com/en/Terms/d/downlap.aspx Downlap]

| [http://www.glossary.oilfield.slb.com/en/Terms/d/downlap.aspx Downlap] || Downlap surface (condensed section)

| Downlap surface (condensed section)

|-

|-

| rowspan=3 | Below a discontinuity

| rowspan=3 | Below a discontinuity || Truncation || Sequence boundary

| Truncation

| Sequence boundary

|-

|-

| [http://homepage.ufp.pt/biblioteca/Seismic/Pages/Page22.htm Toplap]

| [http://homepage.ufp.pt/biblioteca/Seismic/Pages/Page22.htm Toplap] || Sequence boundary

| Sequence boundary

|-

|-

| Apparent truncation

| Apparent truncation || Downlap surface

| Downlap surface

|}

|}